Citazione Stile APA (7a Edizione)

Gronbeck, B. E. (1997). Principles and types of speech communication (13th ed.). Longman.

Citazione stile Chigago Style (17a edizione)

Gronbeck, Bruce E. Principles and Types of Speech Communication. 13th ed. New York: Longman, 1997.

Citatione MLA (9a ed.)

Gronbeck, Bruce E. Principles and Types of Speech Communication. 13th ed. Longman, 1997.