Παραπομπή APA

Stephen E.Lucas. (2004). The Art of Public Speaking (8th.). The McGraw Hill Companies.

Παραπομπή Chicago Style

Stephen E.Lucas. The Art of Public Speaking. 8th. New York: The McGraw Hill Companies, 2004.

Παραπομπή MLA

Stephen E.Lucas. The Art of Public Speaking. 8th. The McGraw Hill Companies, 2004.