Nye, R. D. (2000). Three psychologies: Perspectives from Freud, Skinner, and Rogers (Sixth edition.). Wadsworth/Thompson Learning.
Chicago-viite (17. p.)Nye, Robert D. Three Psychologies: Perspectives from Freud, Skinner, and Rogers. Sixth edition. Belmont, CA: Wadsworth/Thompson Learning, 2000.
MLA-viite (9. p.)Nye, Robert D. Three Psychologies: Perspectives from Freud, Skinner, and Rogers. Sixth edition. Wadsworth/Thompson Learning, 2000.
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