APA (7th ed.) Zitazioa
National Research Council (U.S.). Committee on Planetary and Lunar Exploration & ebrary, Inc. (1998). The exploration of near-earth objects. National Academy Press.
Chicago Style (17th ed.) Zitazioa
National Research Council (U.S.). Committee on Planetary and Lunar Exploration eta Inc ebrary. The Exploration of Near-earth Objects. Washington, D.C.: National Academy Press, 1998.
MLA (9th ed.) Zitazioa
National Research Council (U.S.). Committee on Planetary and Lunar Exploration eta Inc ebrary. The Exploration of Near-earth Objects. National Academy Press, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.