Dyfyniad APA
Johnson, S. L. (2009). Winning debates: A guide to debating in the style of the world universities debating championships. International Debate Education Association.
Dyfyniad Arddull Chicago
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.
Dyfyniad MLA
Johnson, Steven L. Winning Debates: A Guide to Debating in the Style of the World Universities Debating Championships. International Debate Education Association, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.