Dyfyniad APA

Arens, W. F. (2002). Contemporary advertising (9th ed.). Boston: McGraw-Hill Irwin.

Dyfyniad Arddull Chicago

Arens, William F. Contemporary Advertising. 9th ed. Boston: McGraw-Hill Irwin, 2002.

Dyfyniad MLA

Arens, William F. Contemporary Advertising. 9th ed. Boston: McGraw-Hill Irwin, 2002.

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