Garth, H.(1995).All Consumers are not created equal : the differential marketing strategy for brand loyality and profits / Garth Hallberg .New York:John Wiley n Sons.
Gaya MLA
Hallberg, Garth."All Consumers are not created equal : the differential marketing strategy for brand loyality and profits / Garth Hallberg".New York:John Wiley n Sons,1995.Textbook.