Logsdon 2011,第29頁. Logsdon, John M. John F. Kennedy's Space Legacy and Its Lessons for Today. Issues in Science and Technology. Spring 2011, 27 (3): 29–34. ISSN 0748-5492. JSTOR 43315485.
Logsdon 2011,第32頁. Logsdon, John M. John F. Kennedy's Space Legacy and Its Lessons for Today. Issues in Science and Technology. Spring 2011, 27 (3): 29–34. ISSN 0748-5492. JSTOR 43315485.
Logsdon 2011,第33頁. Logsdon, John M. John F. Kennedy's Space Legacy and Its Lessons for Today. Issues in Science and Technology. Spring 2011, 27 (3): 29–34. ISSN 0748-5492. JSTOR 43315485.
“We Choose to Go to the Moon”. Space Strategy. Hoboken, NJ, USA: John Wiley & Sons, Inc. 2017-03-17: 289–294 [2021-01-01]. ISBN 978-1-119-41358-5. (原始内容存档于2021-01-17).
Neilon, John J. APOLLO 17 AND THE MOON. Encyclopedia of Space Science and Technology (Hoboken, NJ, USA: John Wiley & Sons, Inc.). 2013-07-18 [2021-01-01]. ISBN 978-0-471-26386-9. (原始内容存档于2021-01-17).
“We Choose to Go to the Moon”. Space Strategy. Hoboken, NJ, USA: John Wiley & Sons, Inc. 2017-03-17: 289–294 [2021-01-01]. ISBN 978-1-119-41358-5. (原始内容存档于2021-01-17).
Neilon, John J. APOLLO 17 AND THE MOON. Encyclopedia of Space Science and Technology (Hoboken, NJ, USA: John Wiley & Sons, Inc.). 2013-07-18 [2021-01-01]. ISBN 978-0-471-26386-9. (原始内容存档于2021-01-17).
worldcat.org
Logsdon 2011,第29頁. Logsdon, John M. John F. Kennedy's Space Legacy and Its Lessons for Today. Issues in Science and Technology. Spring 2011, 27 (3): 29–34. ISSN 0748-5492. JSTOR 43315485.
Logsdon 2011,第32頁. Logsdon, John M. John F. Kennedy's Space Legacy and Its Lessons for Today. Issues in Science and Technology. Spring 2011, 27 (3): 29–34. ISSN 0748-5492. JSTOR 43315485.
Logsdon 2011,第33頁. Logsdon, John M. John F. Kennedy's Space Legacy and Its Lessons for Today. Issues in Science and Technology. Spring 2011, 27 (3): 29–34. ISSN 0748-5492. JSTOR 43315485.