Ngo, C. (2000). The e-commerce bill. Mr. & Ms..
Cita Chicago (17th ed.)Ngo, Cherilyn. "The E-commerce Bill." Mr. & Ms. 2000.
Cita MLA (9th ed.)Ngo, Cherilyn. "The E-commerce Bill." Mr. & Ms., 2000.
Atenció: Aquestes cites poden no estar 100% correctes.