APA (7th ed.) Zitazioa

Wells , W. (2009). Advertising: Principles and Practice (7thed.). Pearson.

Chicago Style (17th ed.) Zitazioa

Wells , William. Advertising: Principles and Practice. 7thed. India: Pearson, 2009.

MLA (9th ed.) Zitazioa

Wells , William. Advertising: Principles and Practice. 7thed. Pearson, 2009.