Citazione Stile APA (7a Edizione)

Howell, D. C. (2010). Statistical methods for psychology (7th ed.). Wadsworth/Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Howell, David C. Statistical Methods for Psychology. 7th ed. Belmont, Calif: Wadsworth/Cengage Learning, 2010.

Citatione MLA (9a ed.)

Howell, David C. Statistical Methods for Psychology. 7th ed. Wadsworth/Cengage Learning, 2010.