- Author: Manuel Pérez Ledesma Maria Sierra
- Language: Spanish
- Year: 2010
- Author: Manuel Pérez Ledesma Isabel Burdiel
- Language: Spanish
- Year: 2013
- Author: Miguel Artola, Manuel Pérez Ledesma
- Language: Spanish
- Year: 2014
- Author: Miguel Artola Manuel Pérez Ledesma
- Language: Spanish
- Year: 2005