- Author: Richard A. Harvey, Pamela C. Champe, Bruce D. Fisher, Sewell P. Champe, Florence Kimball, Donald Dublin, Harriet Rouse, William A. Strohl, Victor Stollar, William E. Winter, Michael Cooper
- Language: Spanish
- Year: 2006
- Author: William A. Strohl Harriet Rouse Pamela C. Champe Richard A. Harvey PhD
- Language: English
- Year: 2007