Não informado. (1975). Sales and Marketing Management. Sales and Marketing Management.
Chicago-Zitierstil (17. Ausg.)Não informado. Sales and Marketing Management. New York: Sales and Marketing Management, 1975.
MLA-Zitierstil (8. Ausg.)Não informado. Sales and Marketing Management. Sales and Marketing Management, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.