HOFFMAN K DOUGLAS. (2002). ESSENTIALS OF SERVICES MARKETING: CONCEPTS, STRATEGIES AND CASES (2ND.). THOMSON LEARNING.
Chicago-referens (17:e uppl.)HOFFMAN K DOUGLAS. ESSENTIALS OF SERVICES MARKETING: CONCEPTS, STRATEGIES AND CASES. 2ND. AUSTRALIA: THOMSON LEARNING, 2002.
MLA-referens (9:e uppl.)HOFFMAN K DOUGLAS. ESSENTIALS OF SERVICES MARKETING: CONCEPTS, STRATEGIES AND CASES. 2ND. THOMSON LEARNING, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.