Lua APA (7ú heag.)

Weiten, W., & Halpern, D. F. (2004). Psychology: Themes and variations (6th ed.). Thomson/Wadsworth.

Lua i Stíl Chicago (17ú heag.)

Weiten, Wayne, agus Diane F. Halpern. Psychology: Themes and Variations. 6th ed. Australia ; Belmont, CA: Thomson/Wadsworth, 2004.

Lua MLA (8ú heag.)

Weiten, Wayne, agus Diane F. Halpern. Psychology: Themes and Variations. 6th ed. Thomson/Wadsworth, 2004.

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