Dyfyniad APA
Pearce, C., & Well, W. (1995). Advertising: Principles and practice (3rd ed.). Prentice Hall.
Dyfyniad Arddull Chicago
Pearce, Charles, and William Well. Advertising: Principles and Practice. 3rd ed. New Jersey: Prentice Hall, 1995.
Dyfyniad MLA
Pearce, Charles, and William Well. Advertising: Principles and Practice. 3rd ed. Prentice Hall, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.