APA (7e ed.) Bronvermelding
National Research Council (U.S.). Space Studies Board, National Academy Press (U.S.), & ebrary, Inc. (2002). Annual report 2001. National Academy Press.
Chicago (17e ed.) Bronvermelding
National Research Council (U.S.). Space Studies Board, National Academy Press (U.S.), en Inc ebrary. Annual Report 2001. Washington, D.C.: National Academy Press, 2002.
MLA (9e ed.) Bronvermelding
National Research Council (U.S.). Space Studies Board, et al. Annual Report 2001. National Academy Press, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.