Pugh, S. D. Service with a smile: Emotional contagion in the service encounter. Academy of management journal.
Čikaški stil citiranja (17. izdanje)Pugh, S. Douglas. "Service with a Smile: Emotional Contagion in the Service Encounter." Academy of Management Journal .
MLA način citiranja (9. izdanje)Pugh, S. Douglas. "Service with a Smile: Emotional Contagion in the Service Encounter." Academy of Management Journal, .
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