
- Author: Hugh D Young, Roger A Freedman
- Language: English
- Year: 2019

- Author: Hugh D. Young Roger A. Freedman
- Language: English
- Year: 2015

- Author: Hugh D. Young Roger A. Freedman
- Language: English
- Year: 2012

- Author: Francis Sears Mark Zemansky Hugh D. Young Roger A. Freedman
- Language: Spanish
- Year: 2013

- Author: Hugh D. Young Roger A. Freedman
- Language: Portuguese
- Year: 2016

- Author: Hugh D. Young Roger A. Freedman
- Language: Portuguese
- Year: 2016

- Author: Hugh D. Young Roger A. Freedman
- Language: Portuguese
- Year: 2016

- Author: Hugh D. Young Roger A. Freedman
- Language: Portuguese
- Year: 2016

- Author: Hugh D. Young Roger A. Freedman
- Language: Portuguese