Weiten, W. (2009). Psychology: Themes and variations (6th ed.). Wadsworth Thomson Learning.
Citazione stile Chigago Style (17a edizione)Weiten, Wayne. Psychology: Themes and Variations. 6th ed. Belmont, Calif: Wadsworth Thomson Learning, 2009.
Citatione MLA (9a ed.)Weiten, Wayne. Psychology: Themes and Variations. 6th ed. Wadsworth Thomson Learning, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.