1. British Standards Institute (1993). BS 7799 : Code of practice for information security management (CoP). PD0003, United Kingdom.
2. Bruce, G. & Dempsey, R. (1997) Security in distributed computing. New Jersey : Prentice-Hall.
3. Institute for Certification of Information Technology (ICIT). (1997). Scheme for self assessment and certification of information security against BS 7799.
4. Von Solms, R. (1997). Driving safely on the information superhighway. Information management & computer security, 5(1), pp. 20 - 22.