KOTLER PHILIP. (2009). MARKETING MANAGEMENT (13TH.). PEARSON EDUCATION.
Chicago (17e ed.) BronvermeldingKOTLER PHILIP. MARKETING MANAGEMENT. 13TH. NEW DELHI: PEARSON EDUCATION, 2009.
MLA (9e ed.) BronvermeldingKOTLER PHILIP. MARKETING MANAGEMENT. 13TH. PEARSON EDUCATION, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.