Gronbeck, B. E. (1994). Principles and types of speech communication (12th ed.). Busy Book Distributors.
Cita Chicago Style (17a ed.)Gronbeck, Bruce E. Principles and Types of Speech Communication. 12th ed. Quezon City: Busy Book Distributors, 1994.
Cita MLA (9a ed.)Gronbeck, Bruce E. Principles and Types of Speech Communication. 12th ed. Busy Book Distributors, 1994.
Precaución: Estas citas no son 100% exactas.