Pelletier, R. (2005). It’s all about service: How to lead your people to care for your customers. John Wiley & Sons.
Trích dẫn kiểu ChicagoPelletier, Ray. It’s All About Service: How to Lead Your People to Care for Your Customers. John Wiley & Sons, 2005.
Trích dẫn MLAPelletier, Ray. It’s All About Service: How to Lead Your People to Care for Your Customers. John Wiley & Sons, 2005.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.