International Debate Education Association & ebrary, Inc. (2009). The debatabase book: A must-have guide for successful debate (4th ed.). International Debate Education Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Debate Education Association και Inc ebrary. The Debatabase Book: A Must-have Guide for Successful Debate. 4th ed. New York: International Debate Education Association, 2009.
Παραπομπή σε μορφή MLA (9th εκδ.)International Debate Education Association και Inc ebrary. The Debatabase Book: A Must-have Guide for Successful Debate. 4th ed. International Debate Education Association, 2009.
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