Dyfyniad APA

Awad, E. M. (2007). Electronic Commerce (3rd.). Pearson Education.

Dyfyniad Arddull Chicago

Awad, Elias M. Electronic Commerce. 3rd. New Delhi: Pearson Education, 2007.

Dyfyniad MLA

Awad, Elias M. Electronic Commerce. 3rd. Pearson Education, 2007.

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