kasmir. (2008). Etika Customer Service. Jakarta: RajaGrafindo Persada.
Chicago Style Citationkasmir. Etika Customer Service. Jakarta: RajaGrafindo Persada, 2008.
MLA Citationkasmir. Etika Customer Service. Jakarta: RajaGrafindo Persada, 2008.
Warning: These citations may not always be 100% accurate.