KASPER HANS. (2006). SERVICES MARKETING MANAGEMENT (2.). JOHN WILEY & SONS.
Čikaški stil citiranja (17. izdanje)KASPER HANS. SERVICES MARKETING MANAGEMENT. 2. ENGLAND: JOHN WILEY & SONS, 2006.
MLA način citiranja (9. izdanje)KASPER HANS. SERVICES MARKETING MANAGEMENT. 2. JOHN WILEY & SONS, 2006.
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