Kotler, P. (1987). Marketing Management/5e (5th ed.). Prentice hall of India.
Chicago Style aipamenaKotler, Philip. Marketing Management/5e. 5th ed. Prentice hall of India, 1987.
MLA aipamenaKotler, Philip. Marketing Management/5e. 5th ed. Prentice hall of India, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.