- Author: Gabriel Virella (Editor)
- Year: 2019
- Author: Gabriel Virella (editor)
- Language: English
- Year: 2020
- Author: Gabriel Virella
- Language: English
- Year: 2001
- Author: Gabriel Virella
- Language: English
- Year: 2001
- Author: Gabriel Virella
- Language: English
- Year: 1998