- Author: Driscoll William, Staff International Debate Education Association, Trapp Robert
- Language: English
- Year: 2005
- Author: International Debate Education Association
- Language: English
- Year: 2009
- Author: International Debate Education Association., Snider Alfred C., Huber Robert B
- Language: English
- Year: 2006
- Author: Idea (International Debate Education Association)
- Language: English
- Year: 2007