Gaya APA

Ak.MBA, D, A, W, T. (2008). DASAR-DASAR CUSTOMER RELATION SHIP MANAGEMENT (1). Jakarta: HARVARINDO.

Gaya MLA

Ak.MBA, DRs., AMIN, WIDJAJA, TUNGGAL. "DASAR-DASAR CUSTOMER RELATION SHIP MANAGEMENT". 1 Jakarta: HARVARINDO, 2008. Text.