National Research Council (U.S.). Committee for the Assessment of NASA's Aeronautics Research Program & ebrary, Inc. (2008). NASA aeronautics research: An assessment. National Academies Press.
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Chicago Style (17th ed.) Zitazioa
National Research Council (U.S.). Committee for the Assessment of NASA's Aeronautics Research Program eta Inc ebrary. NASA Aeronautics Research: An Assessment. Washington, D.C.: National Academies Press, 2008.
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MLA (9th ed.) Zitazioa
National Research Council (U.S.). Committee for the Assessment of NASA's Aeronautics Research Program eta Inc ebrary. NASA Aeronautics Research: An Assessment. National Academies Press, 2008.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.