Kotler, P. (1988). Marketing management: Analysis, planning, implementation and control (6th ed.). Englewood Cliffs, N.J: Prentice Hall.
Παραπομπή Chicago StyleKotler, Philip. Marketing Management: Analysis, Planning, Implementation and Control. 6th ed. Englewood Cliffs, N.J: Prentice Hall, 1988.
Παραπομπή MLAKotler, Philip. Marketing Management: Analysis, Planning, Implementation and Control. 6th ed. Englewood Cliffs, N.J: Prentice Hall, 1988.
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