APA-referens (7:e uppl.)

Gravetter, F. J., & Wallnau, L. B. (2009). Statistics for the behavioral sciences (8th ed.). Wadsworth/Cengage Learning.

Chicago-referens (17:e uppl.)

Gravetter, Frederick J., och Larry B. Wallnau. Statistics for the Behavioral Sciences. 8th ed. Belmont, Calif: Wadsworth/Cengage Learning, 2009.

MLA-referens (9:e uppl.)

Gravetter, Frederick J., och Larry B. Wallnau. Statistics for the Behavioral Sciences. 8th ed. Wadsworth/Cengage Learning, 2009.