Không rõ. (2001). Introduction to Marketing concepts. Youth PublishingHouse.
Trích dẫn kiểu ChicagoKhông rõ. Introduction to Marketing Concepts. Youth PublishingHouse, 2001.
MLA citiranjeKhông rõ. Introduction to Marketing Concepts. Youth PublishingHouse, 2001.
Opozorilo: Ti citati niso vedno 100% točni.