Cita APA (7a ed.)
Harris, E. K. (2007). Customer service: A practical approach (4th ed.). Prentice-Hall.
Cita Chicago Style (17a ed.)
Harris, Elaine K. Customer Service: A Practical Approach. 4th ed. New Jersey: Prentice-Hall, 2007.
Cita MLA (9a ed.)
Harris, Elaine K. Customer Service: A Practical Approach. 4th ed. Prentice-Hall, 2007.
Precaución: Estas citas no son 100% exactas.