Gaya APA

Buttle, F. (2007). Customer Relationship Management (Manajemen Hubungan Pelanggan) (Ed.1, Jlh. Eksp=3). Malang: Bayumedia Publishing.

Gaya MLA

Buttle, Francis. "Customer Relationship Management (Manajemen Hubungan Pelanggan)". Ed.1, Jlh. Eksp=3 Malang: Bayumedia Publishing, 2007. Text.