Assembly of Mathematical and Physical Sciences (U.S.). Astronomy Survey Committee & ebrary, Inc. (1982). Astronomy and astrophysics for the 1980's. National Academy Press.
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Chicago Style (17th ed.) Zitazioa
Assembly of Mathematical and Physical Sciences (U.S.). Astronomy Survey Committee eta Inc ebrary. Astronomy and Astrophysics for the 1980's. Washington, D.C.: National Academy Press, 1982.
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MLA (9th ed.) Zitazioa
Assembly of Mathematical and Physical Sciences (U.S.). Astronomy Survey Committee eta Inc ebrary. Astronomy and Astrophysics for the 1980's. National Academy Press, 1982.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.