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.