Gaya APA

dkk., F, B. (2007). Customer Relationship Management (Management Hubungan Pelanggan): Concepts and Tools (ed. 1). Jakarta: Bayumedia Publishing.

Gaya MLA

dkk., Francis, Buttle,. "Customer Relationship Management (Management Hubungan Pelanggan): Concepts and Tools". ed. 1 Jakarta: Bayumedia Publishing, 2007. Text.