Cita APA (7th ed.)

(1974). Principles and types of speech communication. Scott, Foresman.

Cita Chicago (17th ed.)

Principles and Types of Speech Communication. Glenview, Ill.: Scott, Foresman, 1974.

Cita MLA (9th ed.)

Principles and Types of Speech Communication. Scott, Foresman, 1974.

Atenció: Aquestes cites poden no estar 100% correctes.