Harris, E. K. (2000). Customer service: A practical approach (2nd ed.). Upper Saddle River, N.J.: Prentice Hall.
Trích dẫn kiểu ChicagoHarris, Elaine K. Customer Service: A Practical Approach. 2nd ed. Upper Saddle River, N.J.: Prentice Hall, 2000.
MLA CitationHarris, Elaine K. Customer Service: A Practical Approach. 2nd ed. Upper Saddle River, N.J.: Prentice Hall, 2000.
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