Gaya APA

Barnes, J, G. (2003). Secrets of Customer Relationship Management (Rahasia Manajemen Hubungan Pelanggan) . Yogyakarta: Andi Publisher (Andi Offset).

Gaya MLA

Barnes, James, G.. "Secrets of Customer Relationship Management (Rahasia Manajemen Hubungan Pelanggan)". Yogyakarta: Andi Publisher (Andi Offset), 2003. Text.