Gaya APA

Rahardjo, S., Buttle, F. (2007). Customer Relationship Management (manajemen Hubungan Pelanggan): Concepts And Tools (-). Banyumedia: -.

Gaya MLA

Rahardjo, Satjipto., Buttle, Francis. "Customer Relationship Management (manajemen Hubungan Pelanggan): Concepts And Tools". - Banyumedia: -, 2007. Text.