APA
Kotler P., . (1985). Marketing management 5th ed. New Delhi: Prentice hall of India.
Chicago
Kotler Philip, . 1985. Marketing management 5th ed. New Delhi: Prentice hall of India.
Harvard
Kotler P., . (1985). Marketing management 5th ed. New Delhi: Prentice hall of India.
MLA
Kotler Philip, . Marketing management 5th ed. New Delhi: Prentice hall of India. 1985.