Không rõ. (2001). Introduction to Marketing concepts. Youth PublishingHouse.
Chicago ZitierstilKhông rõ. Introduction to Marketing Concepts. Youth PublishingHouse, 2001.
MLA ZitierstilKhông rõ. Introduction to Marketing Concepts. Youth PublishingHouse, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.