Michael Collins (astronaut): Forskelle mellem versioner

* {{cite book |last = Collins |first = Michael |coauthors = Charles Lindbergh |year = 2001 |title = Carrying the Fire: An Astronaut's Journeys |publisher = Cooper Square Press |isbn = 0-8154-1028-X}}

* {{cite book |last = Hansen |first = James |year = 2005 |title = First Man: The Life of Neil Armstrong |publisher = Simon & Schuster |isbn = 0-7432-5631-X}}

* Butler, Carol L. (1998). [http://www.jsc.nasa.gov/history/oral_histories/CollinsM/MC_BIO.pdf NASA Johnson Space Center Oral History Project Biographical Data Sheet (PDF)]. Retrieved [[February 14]], [[2006]].