National Research Council (U.S.). Astronomy and Astrophysics Survey Committee, ebrary, Inc, & Bahcall, J. N. (1991). Working papers: Astronomy and astrophysics panel reports. National Academy Press.
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Chicago Style (17th ed.) Zitazioa
National Research Council (U.S.). Astronomy and Astrophysics Survey Committee, Inc ebrary, eta John N. Bahcall. Working Papers: Astronomy and Astrophysics Panel Reports. Washington, D.C.: National Academy Press, 1991.
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MLA (9th ed.) Zitazioa
National Research Council (U.S.). Astronomy and Astrophysics Survey Committee, et al. Working Papers: Astronomy and Astrophysics Panel Reports. National Academy Press, 1991.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.