Kotler, P. (1988). Marketing management: Analysis, planning, implementation and control (6ª ed.). Prentice Hall.
Chicago (17e ed.) BronvermeldingKotler, Philip. Marketing Management: Analysis, Planning, Implementation and Control. 6ª ed. Prentice Hall, 1988.
MLA (9e ed.) BronvermeldingKotler, Philip. Marketing Management: Analysis, Planning, Implementation and Control. 6ª ed. Prentice Hall, 1988.
Let op: Deze citaties zijn niet altijd 100% accuraat.