Kotler, P. (1989). Marketing management/6e (6th ed.). Prentice Hall Of India pvt. ltd.
Chicago Edition CitationKotler, P. Marketing Management/6e. 6th ed. New Delhi: Prentice Hall Of India pvt. ltd, 1989.
Cita MLAKotler, P. Marketing Management/6e. 6th ed. Prentice Hall Of India pvt. ltd, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.