APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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