Gerow, J. R. (1995). Psychology: An introduction (4th ed.). HarperCollins.
Chicago Style (17th ed.) ZitazioaGerow, Josh R. Psychology: An Introduction. 4th ed. New York: HarperCollins, 1995.
MLA (9th ed.) ZitazioaGerow, Josh R. Psychology: An Introduction. 4th ed. HarperCollins, 1995.
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