- Author: Roberto Cardoso de Oliveira
- Language: Portuguese
- Author: José Alcina Franch, Claudio Esteva Fabregat, Guillermo Bonfil Batalla, Roberto Cardoso de Oliveira, Omar E. González Ñáñez, María Jesús Buxó i Rey
- Language: Spanish
- Year: 1990
- Author: Roberto Cardoso de Oliveira
- Language: Spanish
- Year: 2007