Cofnodi Dyfyniadau
Dyfyniad APA
Audesirk, T., & Teresa, A. (1993). Biology: Life on earth (3rd.ed.). Macmillan.
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Dyfyniad Arddull Chicago
Audesirk, Teresa, and Audesirk Teresa. Biology: Life on Earth. 3rd.ed. New York: Macmillan, 1993.
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Dyfyniad MLA
Audesirk, Teresa, and Audesirk Teresa. Biology: Life on Earth. 3rd.ed. Macmillan, 1993.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.