Não informado. (2005). Marketing times. Sales and Marketing Executives International.
Chicago-Zitierstil (17. Ausg.)Não informado. Marketing Times. New York: Sales and Marketing Executives International, 2005.
MLA-Zitierstil (8. Ausg.)Não informado. Marketing Times. Sales and Marketing Executives International, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.