- Author: Anthony Champagne, Douglas B. Harris, James W. Riddlesperger, Garrison Nelson
- Language: English
- Year: 2009
- Author: Mayhew David R
- Language: English
- Year: 2018
- Author: Mayhew David R
- Language: English
- Year: 2018
- Author: USA Congress, Carson Jamie L., Sievert Joel
- Language: English
- Year: 2018