Dyfyniad APA

Strauss, J., & Frost, R. (2014). E-marketing (7th ed.). Pearson.

Dyfyniad Arddull Chicago

Strauss, Judy, and Raymond Frost. E-marketing. 7th ed. Boston: Pearson, 2014.

Dyfyniad MLA

Strauss, Judy, and Raymond Frost. E-marketing. 7th ed. Pearson, 2014.

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