Wells, W., Burnett, J., & Moriarty, S. E. (2003). Advertising: Principles & practice (6th ed.). Prentice Hall.

Wells, William, John Burnett, and Sandra E. Moriarty. Advertising: Principles & Practice. 6th ed. Upper Saddle River, N.J.: Prentice Hall, 2003.

Wells, William, et al. Advertising: Principles & Practice. 6th ed. Prentice Hall, 2003.