Gaya APA

Pratama, I, P, A, E. (2019). Customer Relationship Management (CRM): Teori dan Praktek Berbasis Open Source (-). Bandung: Informatika.

Gaya MLA

Pratama, I, Putu, Agus, Eka. "Customer Relationship Management (CRM): Teori dan Praktek Berbasis Open Source". - Bandung: Informatika, 2019. Text.