Huber, R. B., & Snider, A. (2005). Influencing through argument (Updated ed.). International Debate Education Association.
Chicago-viite (17. p.)Huber, Robert B., ja Alfred Snider. Influencing Through Argument. Updated ed. New York: International Debate Education Association, 2005.
MLA-viite (9. p.)Huber, Robert B., ja Alfred Snider. Influencing Through Argument. Updated ed. International Debate Education Association, 2005.
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