Kotler, P. (1997). Marketing management: Analysis, planning, implementation, and control (9th ed.). Upper Saddle River, NJ: Prentice Hall.
Chicago Style citaatKotler, Philip. Marketing Management: Analysis, Planning, Implementation, and Control. 9th ed. Upper Saddle River, NJ: Prentice Hall, 1997.
MLA citatieKotler, Philip. Marketing Management: Analysis, Planning, Implementation, and Control. 9th ed. Upper Saddle River, NJ: Prentice Hall, 1997.
Let op: Deze citaties zijn niet altijd 100% accuraat.