Gaya APA

Barnes, J, G. (2003). Secrets of Customer Relationship Management (Rahasia Manajemen Hubungan Pelanggan) (ed. 1). Jakarta,: ANDI _2.

Gaya MLA

Barnes, James, G.. "Secrets of Customer Relationship Management (Rahasia Manajemen Hubungan Pelanggan)". ed. 1 Jakarta,: ANDI _2, 2003. Buku Teks.