National Research Council (U.S.). Committee on the Organization and Management of Research in Astronomy and Astrophysics & ebrary, Inc. (2001). U.S. astronomy and astrophysics: Managing an integrated program. National Academy Press.
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Chicago Style (17th ed.) Zitazioa
National Research Council (U.S.). Committee on the Organization and Management of Research in Astronomy and Astrophysics eta Inc ebrary. U.S. Astronomy and Astrophysics: Managing an Integrated Program. Washington, D.C.: National Academy Press, 2001.
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MLA (9th ed.) Zitazioa
National Research Council (U.S.). Committee on the Organization and Management of Research in Astronomy and Astrophysics eta Inc ebrary. U.S. Astronomy and Astrophysics: Managing an Integrated Program. National Academy Press, 2001.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.