Kotler, P. (1997). Marketing management: Analysis, Planning, Implimentation and Control /9ed (9ed.). Prentice hall of India.
Παραπομπή Chicago StyleKotler, Philip. Marketing Management: Analysis, Planning, Implimentation and Control /9ed. 9ed. New Delhi: Prentice hall of India, 1997.
Παραπομπή MLAKotler, Philip. Marketing Management: Analysis, Planning, Implimentation and Control /9ed. 9ed. Prentice hall of India, 1997.
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