VERDERBER, R. F. (1997). The Challenge of effective speaking, 10 th ed. Wadsworth Publishing Company.
Chicago Style (17th ed.) CitationVERDERBER, Rudolph F. The Challenge of Effective Speaking, 10 Th Ed. Wadsworth Publishing Company, 1997.
MLA (8th ed.) CitationVERDERBER, Rudolph F. The Challenge of Effective Speaking, 10 Th Ed. Wadsworth Publishing Company, 1997.
Warning: These citations may not always be 100% accurate.