Dyfyniad APA

Weiten, W. (2009). Psychology: Themes and variations (8th ed.). Cengage Learning.

Dyfyniad Arddull Chicago

Weiten, Wayne. Psychology: Themes and Variations. 8th ed. Australia: Cengage Learning, 2009.

Dyfyniad MLA

Weiten, Wayne. Psychology: Themes and Variations. 8th ed. Cengage Learning, 2009.

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