Kotler, P. (1991). Principles of marketing/ 5e (5th ed.). Prentice hall of India.
Chicago Edition CitationKotler, Philip. Principles of Marketing/ 5e. 5th ed. New Delhi: Prentice hall of India, 1991.
Deismireacht MLAKotler, Philip. Principles of Marketing/ 5e. 5th ed. Prentice hall of India, 1991.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.