- Author: Gabriel Tortella Casares, Clara Eugenia Núñez
- Language: Spanish
- Year: 2011
- Author: Gabriel Tortella
- Language: English
- Year: 2010
- Author: Consiglio John A., Oliva Juan Carlos Martinez, Tortella Gabriel, Juan Carlos Martinez Oliva, Gabriel Tortella
- Language: English
- Year: 2016
- Author: Gabriel Tortella
- Language: English
- Year: 2017
- Author: Gabriel Tortella José Luis García Ruiz (auth.)
- Language: English
- Year: 2013
- Author: Gabriel Tortella Gloria Quiroga (eds.)
- Language: English
- Year: 2013
- Author: Gabriel Tortella
- Language: Spanish
- Year: 2002
- Author: Cottrell Philip L. Cottrell Gerassimos Notaras Gabriel Tortella
- Language: English
- Year: 2007