Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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