Lucas, S. (1983). The art of public speaking. Random House.
Chicago Style (17th ed.) CitationLucas, Stephen. The Art of Public Speaking. New York: Random House, 1983.
MLA (9th ed.) CitationLucas, Stephen. The Art of Public Speaking. Random House, 1983.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.