Cita APA (7th ed.)
Oka, M. M. (2000). E-commerce. Everest Pub.
Cita Chicago (17th ed.)
Oka, Milind M. E-commerce. Pune: Everest Pub, 2000.
Cita MLA (9th ed.)
Oka, Milind M. E-commerce. Everest Pub, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.