- Author: Francisco Vargas Vaca
- Language: Spanish
- Year: 2014
- Author: Dieter Nohlen
- Language: Spanish
- Year: 2010
- Author: Piscoya Hermoza Luis Adolfo
- Language: Spanish
- Year: 2007
- Author: Roberto Katayama
- Language: Spanish
- Year: 2014
- Author: Mario Bunge
- Language: Spanish
- Year: 2012
- Author: Mario Bunge
- Language: Spanish
- Year: 2009
- Author: Jesús Mosterín
- Language: Spanish
- Year: 2010
- Author: Luis Piscoya
- Language: Spanish
- Year: 2009
- Author: Jesús Mosterín
- Language: Spanish
- Year: 1999