kotler philip. (1991). Marketing management: Analysis, planning implementation and control/7e (7th ed.). Prentice hall of India.
Chicago Style citaatkotler philip. Marketing Management: Analysis, Planning Implementation and Control/7e. 7th ed. New Delhi: Prentice hall of India, 1991.
MLA citatiekotler philip. Marketing Management: Analysis, Planning Implementation and Control/7e. 7th ed. Prentice hall of India, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.