Dyfyniad APA

Strauss, J., & Frost, R. (2009). E-Marketing/5e (5th Ed.). Pearson Education.

Dyfyniad Arddull Chicago

Strauss, Judy, and Raymond Frost. E-Marketing/5e. 5th Ed. New Delhi: Pearson Education, 2009.

Dyfyniad MLA

Strauss, Judy, and Raymond Frost. E-Marketing/5e. 5th Ed. Pearson Education, 2009.

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