Pugh, S. D. Service with a smile: Emotional contagion in the service encounter. Academy of management journal.
Chicago Style aipamenaPugh, S. Douglas. "Service with a Smile: Emotional Contagion in the Service Encounter." Academy of Management Journal .
MLA aipamenaPugh, S. Douglas. "Service with a Smile: Emotional Contagion in the Service Encounter." Academy of Management Journal, .
Kontuz: berrikusi erreferentzia hauek erabili aurretik.