Pelletier, R. (2005). It’s all about service: How to lead your people to care for your customers. John Wiley & Sons.
Παραπομπή Chicago StylePelletier, Ray. It’s All About Service: How to Lead Your People to Care for Your Customers. John Wiley & Sons, 2005.
Παραπομπή MLAPelletier, Ray. It’s All About Service: How to Lead Your People to Care for Your Customers. John Wiley & Sons, 2005.
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