Dyfyniad APA

Strauss, J. F. (2009). E-Marketing (5th ed.). PHI Learning Pvt. Ltd.

Dyfyniad Arddull Chicago

Strauss, Judy; Frost. E-Marketing. 5th ed. New Delhi: PHI Learning Pvt. Ltd, 2009.

Dyfyniad MLA

Strauss, Judy; Frost. E-Marketing. 5th ed. PHI Learning Pvt. Ltd, 2009.

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