ebrary, Inc, Trapp, R., & Driscoll, W. J. (2005). Discovering the world through debate: A practical guide to educational debate for debaters, coaches and judges (3rd ed.). International Debate Education Association.
Chicago-viite (17. p.)ebrary, Inc, Robert Trapp, ja William J. Driscoll. Discovering the World Through Debate: A Practical Guide to Educational Debate for Debaters, Coaches and Judges. 3rd ed. New York: International Debate Education Association, 2005.
MLA-viite (9. p.)ebrary, Inc, et al. Discovering the World Through Debate: A Practical Guide to Educational Debate for Debaters, Coaches and Judges. 3rd ed. International Debate Education Association, 2005.
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