Bearden, W. O., Ingram, T. N., & LaForge, R. W. (2007). Marketing, principles & perspectives (5th ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationBearden, William O., Thomas N. Ingram, and Raymond W. LaForge. Marketing, Principles & Perspectives. 5th ed. New York: McGraw-Hill, 2007.
ציטוט MLABearden, William O., et al. Marketing, Principles & Perspectives. 5th ed. McGraw-Hill, 2007.
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