- Author: Robert C. Martin
- Language: English
- Year: 2021
- Author: Robert M. Martin
- Language: English
- Year: 2014
- Author: Robert Baldwin Martin Cave
- Language: English
- Year: 2021
- Author: Robert M. Martin
- Language: English
- Year: 2004
- Author: Robert E. Martin Ronald H. Pine Anthony F. DeBlase
- Language: English
- Year: 2011
- Author: Robert C. Martin
- Language: Spanish
- Year: 2009
- Author: Bogdan Robert, Elks Martin, Knall James
- Language: English
- Year: 2012
- Author: Robert M. Martin
- Language: English
- Year: 2004