341582 Chee, W. F. (2004). Secure E-mail system with cryptography using microsoft visual C# and pretty good privacy (PGP). Skudai : Universiti Teknologi Malaysia.
芝加哥风格引文341582 Chee, Wing Fai. Secure E-mail System with Cryptography Using Microsoft Visual C# and Pretty Good Privacy (PGP). Skudai : Universiti Teknologi Malaysia, 2004.
MLA引文341582 Chee, Wing Fai. Secure E-mail System with Cryptography Using Microsoft Visual C# and Pretty Good Privacy (PGP). Skudai : Universiti Teknologi Malaysia, 2004.
警告：这些引文格式不一定是100％准确.