Bearden, W. O. (1998). Marketing Principles And Perspective William O. Bearden, Thomas N. Ingram, Raymond W. Laforge. Irwin.
Chicago Style (17. basım) AtıfBearden, William O. Marketing Principles And Perspective William O. Bearden, Thomas N. Ingram, Raymond W. Laforge. Irwin, 1998.
MLA (8th ed.) AtıfBearden, William O. Marketing Principles And Perspective William O. Bearden, Thomas N. Ingram, Raymond W. Laforge. Irwin, 1998.
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