COTTAM ANGELA. (1999). MANAGEMENT AND MARKETING OF SERVICES (2ND.). BUTTERWORTH-HEINEMANN.
Chicago (17e ed.) BronvermeldingCOTTAM ANGELA. MANAGEMENT AND MARKETING OF SERVICES. 2ND. LONDON: BUTTERWORTH-HEINEMANN, 1999.
MLA (9e ed.) BronvermeldingCOTTAM ANGELA. MANAGEMENT AND MARKETING OF SERVICES. 2ND. BUTTERWORTH-HEINEMANN, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.