KOTLER PHILIP. (2008). PRINCIPLES OF MARKETING 12TH ED (12TH ED.). PEARSON PRENTICE HALL.
Cita Chicago (17th ed.)KOTLER PHILIP. PRINCIPLES OF MARKETING 12TH ED. 12TH ED. INDIA: PEARSON PRENTICE HALL, 2008.
Cita MLA (9th ed.)KOTLER PHILIP. PRINCIPLES OF MARKETING 12TH ED. 12TH ED. PEARSON PRENTICE HALL, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.