Dyfyniad APA

KEEGAN, W. J., & GREEN, M. C. (2017). Global marketing 9th ed. Pearson.

Dyfyniad Arddull Chicago

KEEGAN, Warren J., and Mark C. GREEN. Global Marketing 9th Ed. Pearson, 2017.

Dyfyniad MLA

KEEGAN, Warren J., and Mark C. GREEN. Global Marketing 9th Ed. Pearson, 2017.

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