Dyfyniad APA

Stanton, W. J., & Etzel, M. J. W. (1987). Fundamentals of marketing (8th ed.). mc graw hill book company.

Dyfyniad Arddull Chicago

Stanton, William J., and Michael J. Walker Etzel. Fundamentals of Marketing. 8th ed. New york: mc graw hill book company, 1987.

Dyfyniad MLA

Stanton, William J., and Michael J. Walker Etzel. Fundamentals of Marketing. 8th ed. mc graw hill book company, 1987.

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