Kotler, P. (1991). Marketing management: Analysis, planning,implementation, and control (7thed.). Prentice-Hall.
Chicago-Zitierstil (17. Ausg.)Kotler, Philip. Marketing Management: Analysis, Planning,implementation, and Control. 7thed. New Delhi: Prentice-Hall, 1991.
MLA-Zitierstil (9. Ausg.)Kotler, Philip. Marketing Management: Analysis, Planning,implementation, and Control. 7thed. Prentice-Hall, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.