Cita APA (7th ed.)

Hybels, S. (1974). Speech communication. D. Van Nostrand.

Cita Chicago (17th ed.)

Hybels, Saundra. Speech Communication. New York: D. Van Nostrand, 1974.

Cita MLA (9th ed.)

Hybels, Saundra. Speech Communication. D. Van Nostrand, 1974.

Atenció: Aquestes cites poden no estar 100% correctes.