Gaya APA

Harris, Elaine K.. (2012). Customer service A pratical approach . New Jersey: Pearson Prentice Hall.

Gaya Chicago

Harris, Elaine K.. Customer service A pratical approach. New Jersey: Pearson Prentice Hall, 2012. Text.

Gaya MLA

Harris, Elaine K.. Customer service A pratical approach. New Jersey: Pearson Prentice Hall, 2012. Text.

Gaya Turabian

Harris, Elaine K.. Customer service A pratical approach. New Jersey: Pearson Prentice Hall, 2012. Print.