Berkowitz, E. N. (1997). Marketing (5th ed.). Chicago, Ill.: Irwin.
Trích dẫn kiểu ChicagoBerkowitz, Eric N. Marketing. 5th ed. Chicago, Ill.: Irwin, 1997.
MLA CitationBerkowitz, Eric N. Marketing. 5th ed. Chicago, Ill.: Irwin, 1997.
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