Tohutoro APA (7th ed.)
Harris, E. K. (2013). Customer service: A practical approach (6th ed.). Pearson.
Tohutoru Kātū Chicago (17th ed.)
Harris, Elaine K. Customer Service: A Practical Approach. 6th ed. Boston: Pearson, 2013.
Tohutoro MLA (9th ed.)
Harris, Elaine K. Customer Service: A Practical Approach. 6th ed. Pearson, 2013.
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