Cita APA (7th ed.)
Zarefsky, D. (2008). Public speaking: Strategies for success (5th ed.). Pearson Education.
Cita Chicago (17th ed.)
Zarefsky, David. Public Speaking: Strategies for Success. 5th ed. New York: Pearson Education, 2008.
Cita MLA (9th ed.)
Zarefsky, David. Public Speaking: Strategies for Success. 5th ed. Pearson Education, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.