Gaya APA

Harris, Elaine K.. (2013). Customer Service: A Practical Approach, 6th edition (6). USA: Pearson Education, Inc.

Gaya Chicago

Harris, Elaine K.. Customer Service: A Practical Approach, 6th edition. 6 USA: Pearson Education, Inc, 2013. .

Gaya MLA

Harris, Elaine K.. Customer Service: A Practical Approach, 6th edition. 6 USA: Pearson Education, Inc, 2013. .

Gaya Turabian

Harris, Elaine K.. Customer Service: A Practical Approach, 6th edition. 6 USA: Pearson Education, Inc, 2013. .