Carl Sagan (Malay Wikipedia)

Impey, Chris (January–February 2000). "Carl Sagan, Carl Sagan: Biographies Echo an Extraordinary Life". American Scientist (Book review). 88 (1). Sigma Xi. ISSN 0003-0996. Dicapai pada March 10, 2013.

amphilsoc.org (Global: 2,969^th place; Malay: 7,800^th place)

"American Philosophical Society Member History". Philadelphia, PA: American Philosophical Society. Diarkibkan daripada yang asal pada 2013-11-13. Dicapai pada September 3, 2013.

astronautical.org (Global: low place; Malay: low place)

"John F. Kennedy Astronautics Award". Springfield, VA: American Astronautical Society. Dicapai pada September 3, 2013.

bartelby.com (Global: low place; Malay: low place)

"Sagan, Carl Edward". Columbia Encyclopedia (ed. Sixth). New York: Columbia University Press. May 2001. Diarkibkan daripada yang asal pada October 11, 2007. Dicapai pada August 30, 2013.

bbc.co.uk (Global: 11^th place; Malay: 22^nd place)

news.bbc.co.uk

Whitehouse, David (October 15, 1999). "Carl Sagan: A life in the cosmos". BBC News. BBC. Dicapai pada August 30, 2013.

berkeley.edu (Global: 621^st place; Malay: 494^th place)

sciencereview.berkeley.edu

"Happy (Belated) Birthday Carl!". Universiti California, Berkeley The Berkeley Science Review. Diarkibkan daripada yang asal pada 2013-12-03. Dicapai pada December 1, 2013.

books.google.com (Global: 3^rd place; Malay: 4^th place)

Sagan, Carl; Head, Tom (2006). Conversations with Carl Sagan (ed. illustrated). Univ. Press of Mississippi. m/s. 14. ISBN 978-1-57806-736-7. Extract of page 14
Ulivi, Paolo (April 6, 2004). "Lunar Exploration: Human Pioneers and Robotic Surveyors". Springer Science & Business Media – melalui Google Books.
Sagan, Carl; Head, Tom (2006). Conversations with Carl Sagan (ed. illustrated). Univ. Press of Mississippi. m/s. xxi. ISBN 978-1-57806-736-7. Extract of page xxi
Pierrehumbert, Raymond T. (2010). Principles of Planetary Climate. Cambridge University Press. m/s. 202. ISBN 978-1-139-49506-6. Extract of page 202
Pafumi, G.R. (2010). Is Our Vision of God Obsolete?: Often What We Believe is not What We Observe. Bloomington, IN: Xlibris. m/s. 338. ISBN 978-1-4415-9041-1. OCLC 710798384. Dicapai pada August 30, 2013.
Head 2006, p. 70 Head, Tom, penyunting (2006). Conversations with Carl Sagan (ed. 1st). Jackson, MS: University Press of Mississippi. ISBN 1-57806-736-7. LCCN 2005048747. OCLC 60375648.
Flournoy, Théodore (1983) [Originally published 1899; Geneva: Édition Atar]. Des Indes à la Planète Mars: Étude sur un cas de Somnambulisme avec Glossolalie [From India to the Planet Mars: A Study of a Case of Somnambulism with Glossolalia] (dalam bahasa French). Introduction by Hélène Boursinhac; translation by Daniel B. Vermilye (ed. Reprint). Geneva: Éditions Slatkine. m/s. 344–345. ISBN 2-05-100499-4. OCLC 11558608.{{cite book}}: CS1 maint: unrecognized language (link)

cannabisculture.com (Global: low place; Malay: low place)

Larsen, Dana (November 1, 1999). "Carl Sagan: toking astronomer". Cannabis Culture. Vancouver, B.C. Diarkibkan daripada yang asal pada 2011-09-27. Dicapai pada May 2, 2007.

cnn.com (Global: 36^th place; Malay: 57^th place)

Quarles, Norma (December 20, 1996). "Carl Sagan dies at 62". CNN. Dicapai pada December 5, 2011. Sagan was a noted astronomer whose lifelong passion was searching for intelligent life in the cosmos.

cornell.edu (Global: 308^th place; Malay: 270^th place)

ezra.cornell.edu

Dear Uncle Ezra, diarkibkan daripada yang asal pada 2013-06-06, dicapai pada 2016-08-16 {{citation}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (bantuan)

cosmolearning.com (Global: low place; Malay: low place)

"CosmoLearning Astronomy". CosmoLearning. Dicapai pada October 8, 2009.

csicop.org (Global: 5,333^rd place; Malay: 2,919^th place)

Morrison, David (January–February 2007). "Carl Sagan's Life and Legacy as Scientist, Teacher, and Skeptic". Skeptical Inquirer. 31.1. Amherst, NY: Committee for Skeptical Inquiry: 29–38. ISSN 0194-6730. Dicapai pada August 31, 2013.
Frazier, Kendrick, penyunting (July–August 2005). "Carl Sagan Takes Questions: More From His 'Wonder and Skepticism' CSICOP 1994 Keynote". Skeptical Inquirer. 29.4. Amherst, NY: The Committee for Skeptical Inquiry. Dicapai pada March 25, 2010.
Druyan, Ann (November–December 2003). "Ann Druyan Talks About Science, Religion, Wonder, Awe ... and Carl Sagan". Skeptical Inquirer. 27.6. Amherst, NY: Committee for Skeptical Inquiry. ISSN 0194-6730. Dicapai pada July 27, 2010.
"CSICOP becomes CSI after thirty years". Committee for Skeptical Inquiry. Committee for Skeptical Inquiry. 20 November 2006. Diarkibkan daripada yang asal pada 15 August 2009. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (bantuan)
"The Pantheon of Skeptics". CSI. Committee for Skeptical Inquiry. Diarkibkan daripada yang asal pada 31 January 2017. Dicapai pada 30 April 2017. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (bantuan)

daviddarling.info (Global: 8,448^th place; Malay: 5,697^th place)

Much of Sagan's research in the field of planetary science is outlined by William Poundstone. Poundstone's biography of Sagan includes an 8-page list of Sagan's scientific articles published from 1957 to 1998. Detailed information about Sagan's scientific work comes from the primary research articles. Example: Sagan, C.; Thompson, W.R.; Khare, B.N. (1992). "Titan: A Laboratory for Prebiological Organic Chemistry". Accounts of Chemical Research. 25 (7). Washington, D.C.: American Chemical Society: 286–292. doi:10.1021/ar00019a003. There is commentary on this research article about Titan at David J. Darling's The Encyclopedia of Science.

dickinson.edu (Global: low place; Malay: low place)

dh.dickinson.edu

"Carl Sagan - 1975". The Joseph Priestley Award. Dickinson University. Diarkibkan daripada yang asal pada 2017-11-13. Dicapai pada 1 February 2017.

dictionary.com (Global: 1,672^nd place; Malay: 510^th place)

"Sagan". Dictionary.com Unabridged. Random House. Dicapai pada August 31, 2013. Jargon File 4.2.0.

discovery.com (Global: 2,064^th place; Malay: 1,160^th place)

science.discovery.com

"Meet Carl Sagan". The Science Channel. Discovery Communications. Diarkibkan daripada yang asal pada May 18, 2007. Dicapai pada August 31, 2013.

doi.org (Global: 2^nd place; Malay: 2^nd place)

Reiffel, Leonard (4 May 2000). "Sagan breached security by revealing US work on a lunar bomb project". Nature. 405 (13): Correspondence. doi:10.1038/35011148.
Much of Sagan's research in the field of planetary science is outlined by William Poundstone. Poundstone's biography of Sagan includes an 8-page list of Sagan's scientific articles published from 1957 to 1998. Detailed information about Sagan's scientific work comes from the primary research articles. Example: Sagan, C.; Thompson, W.R.; Khare, B.N. (1992). "Titan: A Laboratory for Prebiological Organic Chemistry". Accounts of Chemical Research. 25 (7). Washington, D.C.: American Chemical Society: 286–292. doi:10.1021/ar00019a003. There is commentary on this research article about Titan at David J. Darling's The Encyclopedia of Science.
Gresshoff, P.M. (2004). "Scheel D. and Wasternack C.(eds) Plant Signal Transduction" (PDF). Annals of Botany (Book review). 93 (6). Oxford University Press: 783–784. doi:10.1093/aob/mch102. Dicapai pada August 31, 2013.
Turco, R.P.; Toon, O.B.; Ackerman, T.P.; Pollack, J.B.; Sagan, C. (January 12, 1990). "Climate and smoke: an appraisal of nuclear winter". Science. 247 (4939). Washington, D.C.: American Association for the Advancement of Science: 166–176. doi:10.2307/2873486. Dicapai pada August 31, 2013. JSTOR link to full text article. Carl Sagan discussed his involvement in the political nuclear winter debates and his erroneous global cooling prediction for the Gulf War fires in his book, The Demon-Haunted World.

druglibrary.org (Global: low place; Malay: low place)

Davidson, Keay (August 22, 1999). "Billions and Billions of '60s Flashbacks". The San Francisco Examiner. Dicapai pada May 2, 2007.

emmys.com (Global: 508^th place; Malay: 1,844^th place)

"Cosmos". Academy of Television Arts & Sciences. Dicapai pada September 4, 2013.

findagrave.com (Global: 360^th place; Malay: 2,009^th place)

Carl Sagan di Find a Grave

google.com (Global: 109^th place; Malay: 17^th place)

"Answers - The Most Trusted Place for Answering Life's Questions". Answers.com.

iigwest.com (Global: low place; Malay: low place)

"The 2007 IIG Awards". IIG. Los Angeles: Independent Investigations Group. August 18, 2007. Dicapai pada July 1, 2011.

jstor.org (Global: 23^rd place; Malay: 34^th place)

Turco, R.P.; Toon, O.B.; Ackerman, T.P.; Pollack, J.B.; Sagan, C. (January 12, 1990). "Climate and smoke: an appraisal of nuclear winter". Science. 247 (4939). Washington, D.C.: American Association for the Advancement of Science: 166–176. doi:10.2307/2873486. Dicapai pada August 31, 2013. JSTOR link to full text article. Carl Sagan discussed his involvement in the political nuclear winter debates and his erroneous global cooling prediction for the Gulf War fires in his book, The Demon-Haunted World.

ku.edu (Global: 3,127^th place; Malay: 2,726^th place)

sfcenter.ku.edu

"The John W. Campbell Memorial Award". Lawrence, KS: Center for the Study of Science Fiction. Dicapai pada September 3, 2013.

lawsoflife.co.uk (Global: low place; Malay: low place)

Rawson, Hugh (2008). "Sagan's Standard". The Unwritten Laws of Life. CSBC Ltd. Diarkibkan daripada yang asal pada January 12, 2012. Dicapai pada September 1, 2013.

loc.gov (Global: 63^rd place; Malay: 114^th place)

lccn.loc.gov

Poundstone 1999, pp. 363–364, 374–375 Poundstone, William (1999). Carl Sagan: A Life in the Cosmos. New York: Henry Holt and Company. ISBN 0-8050-5766-8. LCCN 99014615. OCLC 40979822.
Davidson 1999 Davidson, Keay (1999). Carl Sagan: A Life. New York: John Wiley & Sons. ISBN 0-471-25286-7. LCCN 99036206. OCLC 41580617.
Spangenburg & Moser 2004, pp. 2–5 Spangenburg, Ray; Moser, Kit (2004). Carl Sagan: A Biography. Westport, CT: Greenwood Publishing Group. ISBN 0-313-32265-1. LCCN 2004015176. OCLC 55846272.
Poundstone 1999, p. 14 Poundstone, William (1999). Carl Sagan: A Life in the Cosmos. New York: Henry Holt and Company. ISBN 0-8050-5766-8. LCCN 99014615. OCLC 40979822.
Head 2006, p. xxi Head, Tom, penyunting (2006). Conversations with Carl Sagan (ed. 1st). Jackson, MS: University Press of Mississippi. ISBN 1-57806-736-7. LCCN 2005048747. OCLC 60375648.
Sagan, Carl (1985) [Originally published 1980]. Cosmos (ed. 1st Ballantine Books). New York: Ballantine Books. ISBN 0-345-33135-4. LCCN 80005286. OCLC 12814276.
Sagan & Druyan 1997, pp. 3–4 ——; Druyan, Ann (1997). Billions and Billions: Thoughts on Life and Death at the Brink of the Millennium (ed. 1st). New York: Random House. ISBN 0-679-41160-7. LCCN 96052730. OCLC 36066119.
Shapiro, Fred R., penyunting (2006). The Yale Book of Quotations. Foreword by Joseph Epstein. New Haven, CT: Yale University Press. m/s. 660. ISBN 978-0-300-10798-2. LCCN 2006012317. OCLC 66527213.
Asimov, Isaac (1981) [Originally published 1980; Garden City, NY: Doubleday]. In Joy Still Felt: The Autobiography of Isaac Asimov, 1954–1978. New York: Avon. m/s. 217, 302. ISBN 0-380-53025-2. LCCN 79003685. OCLC 7880716.
Sagan, Carl (1980) [Originally published 1979]. Broca's Brain: Reflections on the Romance of Science (ed. Reprint). New York: Ballantine Books. m/s. 330. ISBN 0-345-33689-5. LCCN 78021810. OCLC 428008204.
Head 2006, p. 70 Head, Tom, penyunting (2006). Conversations with Carl Sagan (ed. 1st). Jackson, MS: University Press of Mississippi. ISBN 1-57806-736-7. LCCN 2005048747. OCLC 60375648.
Head, Tom (1997). "Conversations with Carl". Skeptic. 13 (1). The Skeptics Society: 32–38. Excerpted in Head 2006 Head, Tom, penyunting (2006). Conversations with Carl Sagan (ed. 1st). Jackson, MS: University Press of Mississippi. ISBN 1-57806-736-7. LCCN 2005048747. OCLC 60375648.
Sagan, Carl (1997) [Originally published 1995]. The Demon-Haunted World: Science as a Candle in the Dark (ed. 1st Ballantine Books). New York: Ballantine Books. m/s. 278. ISBN 0-345-40946-9. LCCN 95034076. OCLC 36504316.
Tracy, David (1990). "Kenosis, Sunyata, and Trinity: A Dialogue with Masao Abe". Dalam Cobb, John B., Jr.; Ives, Christopher (penyunting). The Emptying God: A Buddhist-Jewish-Christian Conversation. Faith Meets Faith Series. Essays by Masao Abe. Maryknoll, NY: Orbis Books. m/s. 52. ISBN 0-883-44670-7. LCCN 90031442. OCLC 318355646.{{cite book}}: CS1 maint: multiple names: editors list (link)
Grinspoon, Lester (1994) [2nd ed. published 1977; Cambridge, MA: Harvard University Press]. Marihuana Reconsidered. New introduction by author (ed. 2nd (reprint)). Oakland, CA: Quick American Archives. ISBN 0-932551-13-0. LCCN 77076767. OCLC 32410025.
Poundstone 1999, p. 364 Poundstone, William (1999). Carl Sagan: A Life in the Cosmos. New York: Henry Holt and Company. ISBN 0-8050-5766-8. LCCN 99014615. OCLC 40979822.
Poundstone 1999, p. 374 Poundstone, William (1999). Carl Sagan: A Life in the Cosmos. New York: Henry Holt and Company. ISBN 0-8050-5766-8. LCCN 99014615. OCLC 40979822.
Poundstone 1999, pp. 374–375 Poundstone, William (1999). Carl Sagan: A Life in the Cosmos. New York: Henry Holt and Company. ISBN 0-8050-5766-8. LCCN 99014615. OCLC 40979822.
Sagan, Carl (2000) [Originally published 1973]. "'Hello, Central Casting? Send Me Twenty Extraterrestrials'". Carl Sagan's Cosmic Connection: An Extraterrestrial Perspective. Produced by Jerome Agel; new contributions by Freeman Dyson, Ann Druyan, and David Morrison (ed. 2nd). Cambridge; New York: Cambridge University Press. m/s. 183. ISBN 0-521-78303-8. LCCN 00020378. OCLC 460747781. {{cite book}}: External link in |chapterurl= (bantuan); Unknown parameter |chapterurl= ignored (|chapter-url= suggested) (bantuan)

rs5.loc.gov

The Seth MacFarlane Collection of the Carl Sagan and Ann Druyan Archive: A Finding Aid to the Collection in the Library of Congress (PDF). Manuscript Division, Library of Congress. 2013.

macobserver.com (Global: low place; Malay: low place)

Linzmayer, Owen; Chaffin, Bryan (November 15, 2004). "This Week in Apple History: November 14–20: McIntosh, IIe Killed, Butt-Head Astronomer". The Mac Observer. The Mac Observer, Inc. Dicapai pada July 23, 2012.

marijuana-uses.com (Global: low place; Malay: low place)

Sagan, Carl. "Mr. X". Marijuana-Uses.com. Dicapai pada August 7, 2009.

michaelshermer.com (Global: low place; Malay: low place)

Shermer, Michael. "Candle in the Dark". The Works of Michael Shermer. Michael Shermer. Dicapai pada March 10, 2013. Article originally published in November 2003 issue of Scientific American.

mnsu.edu (Global: low place; Malay: 5,306^th place)

"Carl Sagan". EMuseum. Minnesota State University, Mankato. Diarkibkan daripada yang asal pada May 28, 2010. Dicapai pada August 30, 2013.

nasa.gov (Global: 12^th place; Malay: 70^th place)

starchild.gsfc.nasa.gov

"StarChild: Dr. Carl Sagan". StarChild. NASA. Dicapai pada October 8, 2009.

history.nasa.gov

https://history.nasa.gov/Pickering_508%20final_Part%202.pdf

nasonline.org (Global: 2,262^nd place; Malay: 2,749^th place)

"Public Welfare Medal". Washington, D.C.: National Academy of Sciences. Dicapai pada February 18, 2011.

nationalgeographic.com (Global: 489^th place; Malay: 245^th place)

news.nationalgeographic.com

Vergano, Dan (March 16, 2014). "Who Was Carl Sagan?". National Geographic Daily News. Washington, D.C.: National Geographic Society. Dicapai pada May 13, 2014.

neoteo.com (Global: low place; Malay: low place)

"Photo of Asimov and Sagan".

nightwish.com (Global: low place; Malay: low place)

"Latest News - Nightwish – The Official Website". nightwish.com. Diarkibkan daripada yang asal pada 2017-11-19. Dicapai pada 2017-11-18.

nih.gov (Global: 5^th place; Malay: 3^rd place)

ncbi.nlm.nih.gov

Turco, R.P.; Toon, O.B.; Ackerman, T.P.; Pollack, J.B.; Sagan, C. (January 12, 1990). "Climate and smoke: an appraisal of nuclear winter". Science. 247 (4939). Washington, D.C.: American Association for the Advancement of Science: 166–176. doi:10.2307/2873486. Dicapai pada August 31, 2013. JSTOR link to full text article. Carl Sagan discussed his involvement in the political nuclear winter debates and his erroneous global cooling prediction for the Gulf War fires in his book, The Demon-Haunted World.

nj.com (Global: 610^th place; Malay: 1,909^th place)

Mascarenhas, Rohan (May 3, 2009). "2009 New Jersey Hall of Fame inductees welcomed at NJPAC". The Star-Ledger. Newark, NJ: Advance Publications. Dicapai pada September 3, 2013.

norml.org (Global: low place; Malay: low place)

"Foundation Board of Directors". NORML.org. Washington, D.C.: NORML and the NORML Foundation. August 13, 2010. Diarkibkan daripada yang asal pada January 4, 2011. Dicapai pada September 2, 2013.
"Ann Druyan". NORML.org. Washington, D.C.: NORML and the NORML Foundation. Diarkibkan daripada yang asal pada 2007-12-13. Dicapai pada July 20, 2011.

nytimes.com (Global: 7^th place; Malay: 25^th place)

Safire, William (April 17, 1994). "Footprints on the Infobahn". The New York Times. Dicapai pada August 31, 2013.
Dicke, William (December 21, 1996). "Carl Sagan, an Astronomer Who Excelled at Popularizing Science, Is Dead at 62". The New York Times. Dicapai pada August 31, 2013.

oxfordjournals.org (Global: 1,550^th place; Malay: 704^th place)

aob.oxfordjournals.org

Gresshoff, P.M. (2004). "Scheel D. and Wasternack C.(eds) Plant Signal Transduction" (PDF). Annals of Botany (Book review). 93 (6). Oxford University Press: 783–784. doi:10.1093/aob/mch102. Dicapai pada August 31, 2013.

planetary.org (Global: 4,370^th place; Malay: 3,151^st place)

"Carl Sagan". Pasadena, CA: The Planetary Society. Dicapai pada August 30, 2013.

richannel.org (Global: low place; Malay: low place)

"Christmas Lectures 1977: The Planets : Ri Channel". Ri Channel. London: Royal Institution of Great Britain. Diarkibkan daripada yang asal pada 2012-02-20. Dicapai pada February 7, 2012.

scholar.google.com (Global: 1,418^th place; Malay: 1,937^th place)

"Google Scholar page for Carl Sagan".

sciencenter.org (Global: low place; Malay: low place)

"Sagan Planet Walk". sciencenter.org. Ithaca, NY: Sciencenter. Diarkibkan daripada yang asal pada Februari 5, 2013. Dicapai pada Mac 10, 2013. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (bantuan)

skeptic.com (Global: low place; Malay: low place)

Benford, Gregory (1997). "A Tribute to Carl Sagan: Popular & Pilloried". Skeptic. 13 (1). The Skeptics Society.

skepticalinvestigations.org (Global: low place; Malay: low place)

Truzzi, Marcello (1998). Binkowski, Edward (penyunting). "On Some Unfair Practices towards Claims of the Paranormal". Oxymoron: Annual Thematic Anthology of the Arts and Sciences. 2: The Fringe. New York: Oxymoron Media, Inc. ISSN 1090-2236. OCLC 35240974. Diarkibkan daripada yang asal pada 2013-10-20. Dicapai pada September 1, 2013.

space.com (Global: 862^nd place; Malay: 691^st place)

David, Leonard (1 December 2014). "Epic Short Film 'Wanderers' Envisions Humanity's Future in Space". Space.com. Dicapai pada 21 February 2016.

thecrimson.com (Global: 1,972^nd place; Malay: 3,663^rd place)

No Writer Attributed (1963-08-21). "Sagan Synthesizes ATP In Laboratory". The Harvard Crimson. Dicapai pada 2015-09-12.

theverge.com (Global: 208^th place; Malay: 246^th place)

Lowensohn, Josh (February 4, 2014). "Massive Carl Sagan archive posted by Library of Congress". The Verge. Dicapai pada 16 January 2016.
D'Orazio, Dante (30 November 2014). "Wonderful short film imagines the day when we conquer the solar system". The Verge. Dicapai pada 19 February 2016.

time.com (Global: 84^th place; Malay: 110^th place)

content.time.com

Golden, Frederic (October 20, 1980). "The Cosmic Explainer". Time. Dicapai pada August 30, 2013.

tracking-board.com (Global: low place; Malay: low place)

"WARNER BROS. HEADS TO THE COSMOS WITH CARL SAGAN BIOPIC", Tracking Board, August 17, 2015

tricksterbook.com (Global: low place; Malay: low place)

Truzzi, Marcello (1978). "On the Extraordinary: An Attempt at Clarification" (PDF). Zetetic Scholar. 1 (1): 11.

uchicago.edu (Global: 226^th place; Malay: 218^th place)

astro.uchicago.edu

"Ryerson Astronomical Society". Ryerson Astronomical Society (RAS). Universiti Chicago Department of Astronomy and Astrophysics. Dicapai pada August 22, 2012.

chronicle.uchicago.edu

"Graduate students receive first Sagan teaching awards". University of Chicago Chronicle. 13 (6). University of Chicago News Office. November 11, 1993. Dicapai pada August 30, 2013.

utexas.edu (Global: 868^th place; Malay: 1,206^th place)

lib.utexas.edu

"The U.S. National Security State and Scientists'Challenge to Nuclear Weapons during the Cold War. Paul Harold Rubinson 2008" (PDF).

web.archive.org (Global: 1^st place; Malay: 1^st place)

"Happy (Belated) Birthday Carl!". Universiti California, Berkeley The Berkeley Science Review. Diarkibkan daripada yang asal pada 2013-12-03. Dicapai pada December 1, 2013.
"Sagan, Carl Edward". Columbia Encyclopedia (ed. Sixth). New York: Columbia University Press. May 2001. Diarkibkan daripada yang asal pada October 11, 2007. Dicapai pada August 30, 2013.
"Carl Sagan". EMuseum. Minnesota State University, Mankato. Diarkibkan daripada yang asal pada May 28, 2010. Dicapai pada August 30, 2013.
"Christmas Lectures 1977: The Planets : Ri Channel". Ri Channel. London: Royal Institution of Great Britain. Diarkibkan daripada yang asal pada 2012-02-20. Dicapai pada February 7, 2012.
"Meet Carl Sagan". The Science Channel. Discovery Communications. Diarkibkan daripada yang asal pada May 18, 2007. Dicapai pada August 31, 2013.
Dear Uncle Ezra, diarkibkan daripada yang asal pada 2013-06-06, dicapai pada 2016-08-16 {{citation}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (bantuan)
Rawson, Hugh (2008). "Sagan's Standard". The Unwritten Laws of Life. CSBC Ltd. Diarkibkan daripada yang asal pada January 12, 2012. Dicapai pada September 1, 2013.
Truzzi, Marcello (1998). Binkowski, Edward (penyunting). "On Some Unfair Practices towards Claims of the Paranormal". Oxymoron: Annual Thematic Anthology of the Arts and Sciences. 2: The Fringe. New York: Oxymoron Media, Inc. ISSN 1090-2236. OCLC 35240974. Diarkibkan daripada yang asal pada 2013-10-20. Dicapai pada September 1, 2013.
Larsen, Dana (November 1, 1999). "Carl Sagan: toking astronomer". Cannabis Culture. Vancouver, B.C. Diarkibkan daripada yang asal pada 2011-09-27. Dicapai pada May 2, 2007.
"Foundation Board of Directors". NORML.org. Washington, D.C.: NORML and the NORML Foundation. August 13, 2010. Diarkibkan daripada yang asal pada January 4, 2011. Dicapai pada September 2, 2013.
"Ann Druyan". NORML.org. Washington, D.C.: NORML and the NORML Foundation. Diarkibkan daripada yang asal pada 2007-12-13. Dicapai pada July 20, 2011.
"Sagan Planet Walk". sciencenter.org. Ithaca, NY: Sciencenter. Diarkibkan daripada yang asal pada Februari 5, 2013. Dicapai pada Mac 10, 2013. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (bantuan)
"Latest News - Nightwish – The Official Website". nightwish.com. Diarkibkan daripada yang asal pada 2017-11-19. Dicapai pada 2017-11-18.
"From the AHA archives: Carl Sagan's 1981 Humanist of the year speech". americanhumanist.org. Diarkibkan daripada yang asal pada 2014-12-26. Dicapai pada 25 December 2014.
"American Philosophical Society Member History". Philadelphia, PA: American Philosophical Society. Diarkibkan daripada yang asal pada 2013-11-13. Dicapai pada September 3, 2013.
"Carl Sagan - 1975". The Joseph Priestley Award. Dickinson University. Diarkibkan daripada yang asal pada 2017-11-13. Dicapai pada 1 February 2017.
"CSICOP becomes CSI after thirty years". Committee for Skeptical Inquiry. Committee for Skeptical Inquiry. 20 November 2006. Diarkibkan daripada yang asal pada 15 August 2009. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (bantuan)
"The Pantheon of Skeptics". CSI. Committee for Skeptical Inquiry. Diarkibkan daripada yang asal pada 31 January 2017. Dicapai pada 30 April 2017. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (bantuan)

worldcat.org (Global: 4^th place; Malay: 8^th place)

search.worldcat.org

Poundstone 1999, pp. 363–364, 374–375 Poundstone, William (1999). Carl Sagan: A Life in the Cosmos. New York: Henry Holt and Company. ISBN 0-8050-5766-8. LCCN 99014615. OCLC 40979822.
Davidson 1999 Davidson, Keay (1999). Carl Sagan: A Life. New York: John Wiley & Sons. ISBN 0-471-25286-7. LCCN 99036206. OCLC 41580617.
Spangenburg & Moser 2004, pp. 2–5 Spangenburg, Ray; Moser, Kit (2004). Carl Sagan: A Biography. Westport, CT: Greenwood Publishing Group. ISBN 0-313-32265-1. LCCN 2004015176. OCLC 55846272.
Poundstone 1999, p. 14 Poundstone, William (1999). Carl Sagan: A Life in the Cosmos. New York: Henry Holt and Company. ISBN 0-8050-5766-8. LCCN 99014615. OCLC 40979822.
Head 2006, p. xxi Head, Tom, penyunting (2006). Conversations with Carl Sagan (ed. 1st). Jackson, MS: University Press of Mississippi. ISBN 1-57806-736-7. LCCN 2005048747. OCLC 60375648.
Morrison, David (January–February 2007). "Carl Sagan's Life and Legacy as Scientist, Teacher, and Skeptic". Skeptical Inquirer. 31.1. Amherst, NY: Committee for Skeptical Inquiry: 29–38. ISSN 0194-6730. Dicapai pada August 31, 2013.
Pafumi, G.R. (2010). Is Our Vision of God Obsolete?: Often What We Believe is not What We Observe. Bloomington, IN: Xlibris. m/s. 338. ISBN 978-1-4415-9041-1. OCLC 710798384. Dicapai pada August 30, 2013.
Sagan, Carl (1985) [Originally published 1980]. Cosmos (ed. 1st Ballantine Books). New York: Ballantine Books. ISBN 0-345-33135-4. LCCN 80005286. OCLC 12814276.
Impey, Chris (January–February 2000). "Carl Sagan, Carl Sagan: Biographies Echo an Extraordinary Life". American Scientist (Book review). 88 (1). Sigma Xi. ISSN 0003-0996. Dicapai pada March 10, 2013.
Sagan & Druyan 1997, pp. 3–4 ——; Druyan, Ann (1997). Billions and Billions: Thoughts on Life and Death at the Brink of the Millennium (ed. 1st). New York: Random House. ISBN 0-679-41160-7. LCCN 96052730. OCLC 36066119.
Shapiro, Fred R., penyunting (2006). The Yale Book of Quotations. Foreword by Joseph Epstein. New Haven, CT: Yale University Press. m/s. 660. ISBN 978-0-300-10798-2. LCCN 2006012317. OCLC 66527213.
Asimov, Isaac (1981) [Originally published 1980; Garden City, NY: Doubleday]. In Joy Still Felt: The Autobiography of Isaac Asimov, 1954–1978. New York: Avon. m/s. 217, 302. ISBN 0-380-53025-2. LCCN 79003685. OCLC 7880716.
Sagan, Carl (1980) [Originally published 1979]. Broca's Brain: Reflections on the Romance of Science (ed. Reprint). New York: Ballantine Books. m/s. 330. ISBN 0-345-33689-5. LCCN 78021810. OCLC 428008204.
Head 2006, p. 70 Head, Tom, penyunting (2006). Conversations with Carl Sagan (ed. 1st). Jackson, MS: University Press of Mississippi. ISBN 1-57806-736-7. LCCN 2005048747. OCLC 60375648.
Head, Tom (1997). "Conversations with Carl". Skeptic. 13 (1). The Skeptics Society: 32–38. Excerpted in Head 2006 Head, Tom, penyunting (2006). Conversations with Carl Sagan (ed. 1st). Jackson, MS: University Press of Mississippi. ISBN 1-57806-736-7. LCCN 2005048747. OCLC 60375648.
Sagan, Carl (1997) [Originally published 1995]. The Demon-Haunted World: Science as a Candle in the Dark (ed. 1st Ballantine Books). New York: Ballantine Books. m/s. 278. ISBN 0-345-40946-9. LCCN 95034076. OCLC 36504316.
Tracy, David (1990). "Kenosis, Sunyata, and Trinity: A Dialogue with Masao Abe". Dalam Cobb, John B., Jr.; Ives, Christopher (penyunting). The Emptying God: A Buddhist-Jewish-Christian Conversation. Faith Meets Faith Series. Essays by Masao Abe. Maryknoll, NY: Orbis Books. m/s. 52. ISBN 0-883-44670-7. LCCN 90031442. OCLC 318355646.{{cite book}}: CS1 maint: multiple names: editors list (link)
Druyan, Ann (November–December 2003). "Ann Druyan Talks About Science, Religion, Wonder, Awe ... and Carl Sagan". Skeptical Inquirer. 27.6. Amherst, NY: Committee for Skeptical Inquiry. ISSN 0194-6730. Dicapai pada July 27, 2010.
Truzzi, Marcello (1998). Binkowski, Edward (penyunting). "On Some Unfair Practices towards Claims of the Paranormal". Oxymoron: Annual Thematic Anthology of the Arts and Sciences. 2: The Fringe. New York: Oxymoron Media, Inc. ISSN 1090-2236. OCLC 35240974. Diarkibkan daripada yang asal pada 2013-10-20. Dicapai pada September 1, 2013.
Flournoy, Théodore (1983) [Originally published 1899; Geneva: Édition Atar]. Des Indes à la Planète Mars: Étude sur un cas de Somnambulisme avec Glossolalie [From India to the Planet Mars: A Study of a Case of Somnambulism with Glossolalia] (dalam bahasa French). Introduction by Hélène Boursinhac; translation by Daniel B. Vermilye (ed. Reprint). Geneva: Éditions Slatkine. m/s. 344–345. ISBN 2-05-100499-4. OCLC 11558608.{{cite book}}: CS1 maint: unrecognized language (link)
Grinspoon, Lester (1994) [2nd ed. published 1977; Cambridge, MA: Harvard University Press]. Marihuana Reconsidered. New introduction by author (ed. 2nd (reprint)). Oakland, CA: Quick American Archives. ISBN 0-932551-13-0. LCCN 77076767. OCLC 32410025.
Poundstone 1999, p. 364 Poundstone, William (1999). Carl Sagan: A Life in the Cosmos. New York: Henry Holt and Company. ISBN 0-8050-5766-8. LCCN 99014615. OCLC 40979822.
Poundstone 1999, p. 374 Poundstone, William (1999). Carl Sagan: A Life in the Cosmos. New York: Henry Holt and Company. ISBN 0-8050-5766-8. LCCN 99014615. OCLC 40979822.
Poundstone 1999, pp. 374–375 Poundstone, William (1999). Carl Sagan: A Life in the Cosmos. New York: Henry Holt and Company. ISBN 0-8050-5766-8. LCCN 99014615. OCLC 40979822.
Sagan, Carl (2000) [Originally published 1973]. "'Hello, Central Casting? Send Me Twenty Extraterrestrials'". Carl Sagan's Cosmic Connection: An Extraterrestrial Perspective. Produced by Jerome Agel; new contributions by Freeman Dyson, Ann Druyan, and David Morrison (ed. 2nd). Cambridge; New York: Cambridge University Press. m/s. 183. ISBN 0-521-78303-8. LCCN 00020378. OCLC 460747781. {{cite book}}: External link in |chapterurl= (bantuan); Unknown parameter |chapterurl= ignored (|chapter-url= suggested) (bantuan)

youtube.com (Global: 13^th place; Malay: 19^th place)

I Han (July 14, 2015). "Carl Sagan on the Tonight Show with Johnny Carson (full item, 1980)" – melalui YouTube.
24fpsfan (December 22, 2012). "Carl Sagan (Cosmos) Parody by Johnny Carson (1980)" – melalui YouTube.{{cite web}}: CS1 maint: numeric names: authors list (link)
Sagan, Carl. Recorded lecture at Cornell in 1994, from Pale Blue Dot: A Vision of the Human Future in Space, Ballantine Books (reprint) (1997) p. 88
Boswell, John (November 9, 2009). A Glorious Dawn (7-in (17.5 cm) gramophone record). Nashville, TN: Third Man Records. Dicapai pada September 3, 2013.

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