- Author: Nico Cloete, Tracy Bailey, Peter Maassen
- Language: English
- Year: 2011
- Author: Bailey Peter J.
- Language: English
- Year: 2016
- Author: Bailey Peter, Long David
- Language: English
- Year: 2014
- Author: Allen Woody, Bailey Peter J., Girgus Sam B
- Language: English
- Year: 2015
- Author: Allen Woody, Bailey Peter J., Girgus Sam B
- Language: English
- Year: 2015