Sommerville, K. L. (2007). Hospitality employee management and supervision: Concepts and practical applications. John Wiley & Sons.
Trích dẫn kiểu ChicagoSommerville, Kerry L. Hospitality Employee Management and Supervision: Concepts and Practical Applications. John Wiley & Sons, 2007.
Trích dẫn MLASommerville, Kerry L. Hospitality Employee Management and Supervision: Concepts and Practical Applications. John Wiley & Sons, 2007.
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