APA (7th ed.) Citation

Nor Hafizah, K. (2005). Spam and open relay blocking system.

Chicago Style (17th ed.) Citation

Nor Hafizah, Khadzir. Spam and Open Relay Blocking System. 2005.

MLA (8th ed.) Citation

Nor Hafizah, Khadzir. Spam and Open Relay Blocking System. 2005.

Warning: These citations may not always be 100% accurate.