KOTLER PHILIP. (2011). PRINCIPLES OF MARKETING (13TH.). PEARSON EDUCATION.
Cita Chicago (17th ed.)KOTLER PHILIP. PRINCIPLES OF MARKETING. 13TH. NEW DELHI: PEARSON EDUCATION, 2011.
Cita MLA (9th ed.)KOTLER PHILIP. PRINCIPLES OF MARKETING. 13TH. PEARSON EDUCATION, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.