APA (7th ed.) Zitazioa
National Academies Press (U.S.) & ebrary, Inc. (2012). Research for a future in space: The role of life and physical sciences. National Academies Press.
Chicago Style (17th ed.) Zitazioa
National Academies Press (U.S.) eta Inc ebrary. Research for a Future in Space: The Role of Life and Physical Sciences. Washington, D.C.: National Academies Press, 2012.
MLA (9th ed.) Zitazioa
National Academies Press (U.S.) eta Inc ebrary. Research for a Future in Space: The Role of Life and Physical Sciences. National Academies Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.