Cooper, G., & Henderson, B. (2000). Leap of faith: An astronaut's journey into the unknown. HarperCollins Publishers.
Chicago (17e ed.) BronvermeldingCooper, Gordon, en Bruce Henderson. Leap of Faith: An Astronaut's Journey into the Unknown. New York: HarperCollins Publishers, 2000.
MLA (9e ed.) BronvermeldingCooper, Gordon, en Bruce Henderson. Leap of Faith: An Astronaut's Journey into the Unknown. HarperCollins Publishers, 2000.
Let op: Deze citaties zijn niet altijd 100% accuraat.