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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)ebrary, Inc, Robert Trapp, và 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.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)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.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.