Kotler, P. (1987). Marketing management: Analysis, planning, and control (5th ed.). Prentice-Hall of India private limited.
Chicago ZitierstilKotler, Philip. Marketing Management: Analysis, Planning, and Control. 5th ed. New Delhi: Prentice-Hall of India private limited, 1987.
MLA ZitierstilKotler, Philip. Marketing Management: Analysis, Planning, and Control. 5th ed. Prentice-Hall of India private limited, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.