Dyfyniad APA

Feldman, R. S. (2005). Understanding Psychology (7th ed.). McGraw-Hill Companies, Inc..

Dyfyniad Arddull Chicago

Feldman, Robert S. Understanding Psychology. 7th ed. Boston: McGraw-Hill Companies, Inc., 2005.

Dyfyniad MLA

Feldman, Robert S. Understanding Psychology. 7th ed. McGraw-Hill Companies, Inc., 2005.

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