Gronbeck, B. E. (1994). Principles and types of speech communication (12th ed.). HarperCollins College Publishers.
Chicago-referens (17:e uppl.)Gronbeck, Bruce E. Principles and Types of Speech Communication. 12th ed. New York: HarperCollins College Publishers, 1994.
MLA-referens (9:e uppl.)Gronbeck, Bruce E. Principles and Types of Speech Communication. 12th ed. HarperCollins College Publishers, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.