Cofnodi Dyfyniadau
Dyfyniad APA
Friedman, L. (2015). Human spaceflight: From Mars to the stars. The University of Arizona Press.
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Dyfyniad Arddull Chicago
Friedman, Louis. Human Spaceflight: From Mars to the Stars. Tucson: The University of Arizona Press, 2015.
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Dyfyniad MLA
Friedman, Louis. Human Spaceflight: From Mars to the Stars. The University of Arizona Press, 2015.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.