Johnson, S. L. (2009). Winning debates: A guide to debating in the style of the world universities debating championships. International Debate Education Association.
Chicago-Zitierstil (17. Ausg.)Johnson, Steven L. Winning Debates: A Guide to Debating in the Style of the World Universities Debating Championships. New York: International Debate Education Association, 2009.
MLA-Zitierstil (9. Ausg.)Johnson, Steven L. Winning Debates: A Guide to Debating in the Style of the World Universities Debating Championships. International Debate Education Association, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.