Dyfyniad APA

Arens, W. F., & Schaefer, D. H. (2007). Essentials of contemporary advertising. McGraw-Hill/Irwin.

Dyfyniad Arddull Chicago

Arens, William F., and David H. Schaefer. Essentials of Contemporary Advertising. Boston: McGraw-Hill/Irwin, 2007.

Dyfyniad MLA

Arens, William F., and David H. Schaefer. Essentials of Contemporary Advertising. McGraw-Hill/Irwin, 2007.

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