Ong, E. E. (2003). Secure e-purchase transaction with XML encryption.
Chicago Style (17th ed.) CitationOng, Eng Eng. Secure E-purchase Transaction with XML Encryption. 2003.
MLA (8th ed.) CitationOng, Eng Eng. Secure E-purchase Transaction with XML Encryption. 2003.
Warning: These citations may not always be 100% accurate.