Cofnodi Dyfyniadau
Dyfyniad APA
Steinberg, L. (1989). Adolescence (2nd.ed.). Alfred A.Knopf.
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Dyfyniad Arddull Chicago
Steinberg, Laurence. Adolescence. 2nd.ed. New York: Alfred A.Knopf, 1989.
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Dyfyniad MLA
Steinberg, Laurence. Adolescence. 2nd.ed. Alfred A.Knopf, 1989.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.