Wells, W. (1989). Advertising: Principles and practice. Prentice-Hall.
Chicago (17e ed.) BronvermeldingWells, William. Advertising: Principles and Practice. New Jersey: Prentice-Hall, 1989.
MLA (9e ed.) BronvermeldingWells, William. Advertising: Principles and Practice. Prentice-Hall, 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.