Gaya APA

Lucas, Robert W.. (2005). Customer Service Building Successful Skills for the Twenty-First Century (3rd.ed). Boston: Mc Graw-Hill Book Company.

Gaya Chicago

Lucas, Robert W.. Customer Service Building Successful Skills for the Twenty-First Century. 3rd.ed Boston: Mc Graw-Hill Book Company, 2005. Teks.

Gaya MLA

Lucas, Robert W.. Customer Service Building Successful Skills for the Twenty-First Century. 3rd.ed Boston: Mc Graw-Hill Book Company, 2005. Teks.

Gaya Turabian

Lucas, Robert W.. Customer Service Building Successful Skills for the Twenty-First Century. 3rd.ed Boston: Mc Graw-Hill Book Company, 2005. Teks.