Dyfyniad APA

Weiten, W., & Halpern, D. F. (2002). Psychology: Themes and variations : briefer version (5th edition.). Wadsworth/Thomson Learning.

Dyfyniad Arddull Chicago

Weiten, Wayne, and Diane F. Halpern. Psychology: Themes and Variations : Briefer Version. 5th edition. Belmont, CA: Wadsworth/Thomson Learning, 2002.

Dyfyniad MLA

Weiten, Wayne, and Diane F. Halpern. Psychology: Themes and Variations : Briefer Version. 5th edition. Wadsworth/Thomson Learning, 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.