- Author: Mario Polia
- Language: Italian
- Year: 2001
- Author: Mario Polia Meconi Mario Polia
- Language: Spanish
- Author: Mario Polia
- Language: Spanish
- Year: 1995
- Author: Mario Polia Meconi Mario Polia
- Language: Spanish
- Author: Mario Polia Meconi
- Language: Spanish
- Year: 1999