National Research Council (U.S.). Committee on Heliophysics Performance Assessment & ebrary, Inc. (2009). A performance assessment of NASA's heliophysics program. National Academies Press.
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Dyfyniad Arddull Chicago
National Research Council (U.S.). Committee on Heliophysics Performance Assessment and Inc ebrary. A Performance Assessment of NASA's Heliophysics Program. Washington, D.C.: National Academies Press, 2009.
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Dyfyniad MLA
National Research Council (U.S.). Committee on Heliophysics Performance Assessment and Inc ebrary. A Performance Assessment of NASA's Heliophysics Program. National Academies Press, 2009.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.