Katula, R. A. (1987). Principles and patterns of public speaking. Wadsworth publishing company.
Chicago Style (17th ed.) CitationKatula, Richard A. Principles and Patterns of Public Speaking. California: Wadsworth publishing company, 1987.
MLA (9th ed.) CitationKatula, Richard A. Principles and Patterns of Public Speaking. Wadsworth publishing company, 1987.
Warning: These citations may not always be 100% accurate.