- Author: Steve Sims
- Language: English
- Year: 2008
- Author: Nancy Y. Augustine, Michael E. Bell, David Brunori, Joan M Youngman
- Language: English
- Year: 2009
- Author: Kimberly C. Miller
- Language: English
- Year: 2010
- Author: Shelly Marshall
- Language: English
- Year: 2018
- Author: Kenneth O. Doyle
- Language: English
- Year: 1999