- Author: Dennis G. Zill Michael R. Cullen
- Language: Portuguese
- Year: 2000
- Author: Dennis G. Zill Michael R. Cullen
- Language: Portuguese
- Year: 2007
- Author: Dennis G. Zill, Michael R. Cullen, Natella Antonyan, Lázaro Barajas de la Torre, Miguel Ángel Hernández de la Torre, Warren S. Wright
- Language: Spanish
- Year: 2008
- Author: Dennis G. Zill, Michael R. Cullen
- Language: Spanish
- Year: 2009
- Author: Dennis G. Zill, Michael R. Cullen, Natella Antonyan, Lázaro Barajas de la Torre, Miguel Ángel Hernández de la Torre, Warren S. Wright
- Language: Spanish
- Year: 2008
- Author: Dennis G. Zill Michael R. Cullen
- Language: English
- Year: 2008
- Author: Dennis G. Zill Michael R. Cullen
- Language: English
- Year: 1999
- Author: Dennis G. Zill Michael R. Cullen
- Language: English
- Year: 1996