Cofnodi Dyfyniadau
Dyfyniad APA
Darwin, C. (1859). The origin of species. John Murray.
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Dyfyniad Arddull Chicago
Darwin, Charles. The Origin of Species. London: John Murray, 1859.
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Dyfyniad MLA
Darwin, Charles. The Origin of Species. John Murray, 1859.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.