Παραπομπή APA
Kotler, P. (1997). Marketing management: Analysis, planning,Implementation,and control (9th ed.). Englewood Cliffs, N.J.: Prentice-Hall.
Παραπομπή Chicago StyleKotler, Philip. Marketing Management: Analysis, Planning,Implementation,and Control. 9th ed. Englewood Cliffs, N.J.: Prentice-Hall, 1997.
Παραπομπή MLAKotler, Philip. Marketing Management: Analysis, Planning,Implementation,and Control. 9th ed. Englewood Cliffs, N.J.: Prentice-Hall, 1997.
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