References
- Audit Commission ( 1996 ), Streetwise Effective Police Patrol . London , HMSO .
- Cunningham , W. , Strauchs , J. and Van Meter , C. 1990 . Private Security Trends 1970–2000 , Stoneham : Butterworth-Heinemann .
- George , B. and Button , M. 2000 . Private Security , Leicester : Perpetuity Press .
- Home Office ( 1999 ), The Government's Proposals for Regulating Private Security in England and Wales . Cm 4254. London , HMSO .
- Jones , T. and Newburn , T. 1998 . Private Security and Public Policing , Oxford : Clarendon .