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