- Author: Alan N. Baxter.
- Language: English
- Year: 1988
- Author: Hugo C. Cardoso, Alan N. Baxter, Mário Pinharanda Nunes
- Language: English
- Year: 2012
- Author: Dante Lucchesi & Alan N. Baxter & Ilza Ribeiro
- Language: Portuguese
- Year: 2009
- Author: Dante Lucchesi, Alan N Baxter, Ilza Ribeiro
- Language: Portuguese
- Year: 2009