APA (7e ed.) Bronvermelding

HOFFMAN K DOUGLAS. (2002). ESSENTIALS OF SERVICES MARKETING: CONCEPTS, STRATEGIES AND CASES (2ND.). THOMSON LEARNING.

Chicago (17e ed.) Bronvermelding

HOFFMAN K DOUGLAS. ESSENTIALS OF SERVICES MARKETING: CONCEPTS, STRATEGIES AND CASES. 2ND. AUSTRALIA: THOMSON LEARNING, 2002.

MLA (9e ed.) Bronvermelding

HOFFMAN K DOUGLAS. ESSENTIALS OF SERVICES MARKETING: CONCEPTS, STRATEGIES AND CASES. 2ND. THOMSON LEARNING, 2002.