Gaya APA

,DKK, H, K. (2004). ON BECOMING A CUSTOMER-CENTRIC COMPANY . JAKARTA: GRAMEDIA PUSTAKA UTAMA.

Gaya MLA

,DKK, HERMAWAN, KARTAJAYA. "ON BECOMING A CUSTOMER-CENTRIC COMPANY". JAKARTA: GRAMEDIA PUSTAKA UTAMA, 2004. Text.