Cita APA (7th ed.)

Gronbeck, B. E. (1994). Principles and types of speech communication (12th ed.). Busy Book Distributors.

Cita Chicago (17th ed.)

Gronbeck, Bruce E. Principles and Types of Speech Communication. 12th ed. Quezon City: Busy Book Distributors, 1994.

Cita MLA (9th ed.)

Gronbeck, Bruce E. Principles and Types of Speech Communication. 12th ed. Busy Book Distributors, 1994.