KASMIR. (2005). Etika customer service.-- ed.1. RajaGrafindo Persada.
Chicago Style (17th ed.) CitationKASMIR. Etika Customer Service.-- Ed.1. Jakarta: RajaGrafindo Persada, 2005.
MLA引文KASMIR. Etika Customer Service.-- Ed.1. RajaGrafindo Persada, 2005.
警告:這些引文格式不一定是100%准確.