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