KASMIR. (2005). Etika customer service.-- ed.1. RajaGrafindo Persada.
Chicago Style (17th ed.) CitationKASMIR. Etika Customer Service.-- Ed.1. Jakarta: RajaGrafindo Persada, 2005.
MLA (9th ed.) CitationKASMIR. Etika Customer Service.-- Ed.1. RajaGrafindo Persada, 2005.
Warning: These citations may not always be 100% accurate.