Harris, E. K. (2007). Customer service: A practical approach (4th ed.). Prentice-Hall.
Chicagoスタイル(17版)引用形式Harris, Elaine K. Customer Service: A Practical Approach. 4th ed. New Jersey: Prentice-Hall, 2007.
MLA(9版)引用形式Harris, Elaine K. Customer Service: A Practical Approach. 4th ed. Prentice-Hall, 2007.
警告: この引用は必ずしも正確ではありません.