Dyfyniad APA

Kosiur,David. (2001). Understanding electronic commerce. Prentice Hall of India.

Dyfyniad Arddull Chicago

Kosiur,David. Understanding Electronic Commerce. New Delhi: Prentice Hall of India, 2001.

Dyfyniad MLA

Kosiur,David. Understanding Electronic Commerce. Prentice Hall of India, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.