APA Style

Lucas, Robert W. (2015). Customer Service : Skills For Success (Ed. 6). United State of America: MC Graw Hill Educaton.

Chicago Style

Lucas, Robert W. Customer Service : Skills For Success. Ed. 6 United State of America: MC Graw Hill Educaton, 2015. Buku Referensi.

MLA Style

Lucas, Robert W. Customer Service : Skills For Success. Ed. 6 United State of America: MC Graw Hill Educaton, 2015. Buku Referensi.

Turabian Style

Lucas, Robert W. Customer Service : Skills For Success. Ed. 6 United State of America: MC Graw Hill Educaton, 2015. Buku Referensi.