John, M. J. S. (1994). Advertising and the promotion industry. New York: Prentice-Hall.
Chicago Style citaatJohn, Maggie Jo St. Advertising and the Promotion Industry. New York: Prentice-Hall, 1994.
MLA citatieJohn, Maggie Jo St. Advertising and the Promotion Industry. New York: Prentice-Hall, 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.