- Author: Eugene Toy Debra Klamen
- Language: English
- Year: 2012
- Author: Eugene C. Toy Debra L. Klamen Eugene Toy Debra Klamen
- Language: English
- Year: 2004
- Author: Eugene Toy Debra Klamen
- Language: English
- Year: 2009
- Author: Eugene Toy Debra Klamen
- Language: English
- Year: 2006