Rule 18 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Rule 18" in English language version.

refsWebsite

Global rank English rank

3^rd place

1^st place

3,802^nd place

2,631^st place

1,448^th place

1,179^th place

6^th place

1,483^rd place

828^th place

archive.org

Asimov, Isaac (1972). The early Asimov; or, Eleven years of trying. Garden City NY: Doubleday. pp. 79–82.

Westfahl, Gary, ed. (2005). "Sports". The Greenwood Encyclopedia of Science Fiction and Fantasy - Volume 2: Themes, Works, and Wonders. Westport, CT: Greenwood Press. p. 750. ISBN 0-313-32952-4. Retrieved August 16, 2014.
Bjork, Patrick (2001). Browne, Ray Broadus; Browne, Pat (eds.). Simak, Clifford D. Madison, WI: The University of Wisconsin Press. p. 735. ISBN 0-87972-821-3. Retrieved August 16, 2014. {{cite book}}: |work= ignored (help)
Ewald, Robert J. (2006). The Early Simak. Rockville, MD: Wildside Press. p. 26. ISBN 1-55742-217-6. Retrieved August 18, 2014. {{cite book}}: |work= ignored (help)
Asimov, Isaac (March 1, 2002). Asimov, Janet (ed.). Starting to Write Science Fiction. Amherst, NY: Prometheus Books. p. 53. ISBN 978-1-573-92968-4. Retrieved August 18, 2014. {{cite book}}: |work= ignored (help)

"1939 Retrospective Hugo Award Statistics" (PDF). Loncon 3. August 14, 2014. Archived from the original on August 19, 2014. Retrieved August 14, 2014.{{cite web}}: CS1 maint: unfit URL (link)
"1939 Retro Hugo Award Winners". Loncon 3. August 14, 2014. Archived from the original on August 16, 2014. Retrieved August 14, 2014.{{cite web}}: CS1 maint: unfit URL (link)