- Author: Rein Shaun
- Language: English
- Year: 2012
- Author: Waldfogel Joel
- Language: English
- Year: 2009
- Author: Potter Andrew
- Language: English
- Year: 2010
- Author: Breen Timothy Hall
- Language: English
- Year: 2004
- Author: Noam Chomsky
- Language: French
- Year: 2004