Kotler,Philip, & Keller,Kevin Lane. (2005). Marketing management (12th ed.). Prentice-Hall.
Chicago Edition CitationKotler,Philip, i Keller,Kevin Lane. Marketing Management. 12th ed. New Delhi: Prentice-Hall, 2005.
Cita MLAKotler,Philip, i Keller,Kevin Lane. Marketing Management. 12th ed. Prentice-Hall, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.