APA Style

Kasmir, Kasmir. (2008, 2011). ETIKA CUSTOMER SERVICE (1). Jakarta: PT RajaGrafindo Persada.

Chicago Style

Kasmir, Kasmir. ETIKA CUSTOMER SERVICE. 1 Jakarta: PT RajaGrafindo Persada, 2008, 2011. Text.

MLA Style

Kasmir, Kasmir. ETIKA CUSTOMER SERVICE. 1 Jakarta: PT RajaGrafindo Persada, 2008, 2011. Text.

Turabian Style

Kasmir, Kasmir. ETIKA CUSTOMER SERVICE. 1 Jakarta: PT RajaGrafindo Persada, 2008, 2011. Print.