APA-viite (7. p.)
Zarefsky, D. (2008). Public speaking: Strategies for success (5th ed.). Person Education.
Chicago-viite (17. p.)
Zarefsky, David. Public Speaking: Strategies for Success. 5th ed. New York: Person Education, 2008.
MLA-viite (9. p.)
Zarefsky, David. Public Speaking: Strategies for Success. 5th ed. Person Education, 2008.
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