Neil Armstrong Quotes
In 'New York Times' 31 July 1969, p. 20
Neil Armstrong's letter to the children of Troy, Michigan on the opening of its Public Library (1971), as quoted in "Why Libraries Matter: Letters to the Children of Troy, Michigan (From 1971)" by Lucas Reilly on Mental Floss, July 3, 2012.
Neil Armstrong, Michael Collins, Edwin E. Aldrin (199?). “First on the Moon: The Astronauts' Own Story”, Konecky & Konecky