APA (7e ed.) Bronvermelding

ZEITHAML VALARIE A. (2003). SERVICES MARKETING (3RD.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Chicago (17e ed.) Bronvermelding

ZEITHAML VALARIE A. SERVICES MARKETING. 3RD. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2003.

MLA (9e ed.) Bronvermelding

ZEITHAML VALARIE A. SERVICES MARKETING. 3RD. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2003.