Citazione Stile APA (7a Edizione)

Chaffee, J. (2012). Thinking critically (10th ed.,international edition.). Heinle Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Chaffee, John. Thinking Critically. 10th ed.,international edition. Boston: Heinle Cengage Learning, 2012.

Citatione MLA (9a ed.)

Chaffee, John. Thinking Critically. 10th ed.,international edition. Heinle Cengage Learning, 2012.