Cofnodi Dyfyniadau
Dyfyniad APA
Johnson Lyndon & Kraft Junior Christopher C. (1978). Skylab. NASA.
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Dyfyniad Arddull Chicago
Johnson Lyndon and Kraft Junior Christopher C. Skylab. NASA, 1978.
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Dyfyniad MLA
Johnson Lyndon and Kraft Junior Christopher C. Skylab. NASA, 1978.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.