KOTLER PHILIP. (2011). PRINCIPLES OF MARKETING (13TH.). PEARSON EDUCATION.
Chicago (17e ed.) BronvermeldingKOTLER PHILIP. PRINCIPLES OF MARKETING. 13TH. NEW DELHI: PEARSON EDUCATION, 2011.
MLA (9e ed.) BronvermeldingKOTLER PHILIP. PRINCIPLES OF MARKETING. 13TH. PEARSON EDUCATION, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.