
- Author: Dennis G. Zill Warren S. Wright
- Language: English
- Year: 2012

- Author: Dennis G. Zill
- Language: English
- Year: 2012

- Author: Dennis G. Zill Jacqueline M. Dewar
- Language: Spanish
- Year: 2012

- Author: Dennis G. Zill
- Language: Spanish
- Year: 2015

- Author: Dennis G. Zill Patrick D. Shanahan
- Language: Portuguese
- Year: 2011

- Author: Dennis G. Zill
- Language: English
- Year: 2000

- Author: Dennis G. Zill Michael R. Cullen
- Language: Portuguese
- Year: 2000

- Author: Dennis G. Zill
- Language: English
- Year: 2020

- Author: Dennis G. Zill, Ana Elizabeth García Hernández, Aly El-Iraki, Ernesto Filio López
- Language: Spanish
- Year: 2018

- Author: Dennis G. Zill Michael R. Cullen
- Language: Portuguese
- Year: 2007