kotler philip. (1991). Marketing management: Analysis, planning implementation and control/7e (7th ed.). Prentice hall of India.
Chicago-stil citatkotler philip. Marketing Management: Analysis, Planning Implementation and Control/7e. 7th ed. New Delhi: Prentice hall of India, 1991.
MLA-referenskotler philip. Marketing Management: Analysis, Planning Implementation and Control/7e. 7th ed. Prentice hall of India, 1991.
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