
- Author: Francis D. K. Ching, Ian M Shapiro
- Language: Spanish
- Year: 2015

- Author: Francis D k ching Ian M. Shapiro
- Language: Spanish
- Year: 2015

- Author: Francis D k ching Ian M. Shapiro
- Language: Spanish
- Year: 2015

- Author: Francis D. K. Ching Ian M. Shapiro
- Language: English
- Year: 2014