Collins, P. (2012). The art of speeches and presentations: The secrets of making people remember what you say. Wiley.
Cita Chicago Style (17a ed.)Collins, Philip. The Art of Speeches and Presentations: The Secrets of Making People Remember What You Say. Hoboken, N.J.: Wiley, 2012.
Cita MLA (8a ed.)Collins, Philip. The Art of Speeches and Presentations: The Secrets of Making People Remember What You Say. Wiley, 2012.
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