Gaya APA

Buttle, F. (2007). CUSTOMER RELATIONSHIP MANAGEMENT (MANAJEMEN HUBUNGAN PELANGGAN) CONCEPTS AND TOOLS (cet. 1). Jakarta: BAYUMEDIA PUBLISHING.

Gaya MLA

Buttle, Francis. "CUSTOMER RELATIONSHIP MANAGEMENT (MANAJEMEN HUBUNGAN PELANGGAN) CONCEPTS AND TOOLS". cet. 1 Jakarta: BAYUMEDIA PUBLISHING, 2007. Text.