References
- Hobbes , T. 1651/1968 . Leviathan , London : Penguin Books .
- Steinberg , J. 2004 . The number: One man’s search for identity in the Cape underworld and prison gangs , Johannesburg : Jonathan Ball .
- Steinberg , J. 2008 . Thin blue: The unwritten rules of policing South Africa , Johannesburg : Jonathan Ball .