Wells, W. (2003). Advertising: Principles and Practice. Pearson Education.
Chicago Style aipamenaWells, William. Advertising: Principles and Practice. New Delhi: Pearson Education, 2003.
MLA aipamenaWells, William. Advertising: Principles and Practice. Pearson Education, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.