Dyfyniad APA

Zimbardo, P. G., & Weber, A. L. (1994). Psychology (ed.). HarperCollins College Publishers.

Dyfyniad Arddull Chicago

Zimbardo, Philip G., and Ann L. Weber. Psychology. ed. HarperCollins College Publishers, 1994.

Dyfyniad MLA

Zimbardo, Philip G., and Ann L. Weber. Psychology. ed. HarperCollins College Publishers, 1994.

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