National Research Council (U.S.). Space Studies Board, United States. National Aeronautics and Space Administration, & ebrary, Inc. (2006). An assessment of balance in NASA's science programs. National Academies Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Space Studies Board, United States. National Aeronautics and Space Administration, और Inc ebrary. An Assessment of Balance in NASA's Science Programs. Washington, DC: National Academies Press, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Space Studies Board, et al. An Assessment of Balance in NASA's Science Programs. National Academies Press, 2006.
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