Trích dẫn APA

Lucas, R. W. Customer service: Skills for success / Robert W. Lucas, Principal, Robert W. Lucas Enterprises. McGraw Hill Education.

Trích dẫn kiểu Chicago

Lucas, Robert W. Customer Service: Skills for Success / Robert W. Lucas, Principal, Robert W. Lucas Enterprises. McGraw Hill Education.

Trích dẫn MLA

Lucas, Robert W. Customer Service: Skills for Success / Robert W. Lucas, Principal, Robert W. Lucas Enterprises. McGraw Hill Education.

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