Kotler, P. (1997). Marketing management: Analysis, Planning, Implimentation and Control /9ed (9ed.). Prentice hall of India.
Chicago ZitierstilKotler, Philip. Marketing Management: Analysis, Planning, Implimentation and Control /9ed. 9ed. New Delhi: Prentice hall of India, 1997.
MLA ZitierstilKotler, Philip. Marketing Management: Analysis, Planning, Implimentation and Control /9ed. 9ed. Prentice hall of India, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.