APA Style
Barnes, J, G. (2003).
Secrets of Customer Relationship Management (Rahasia Manajemen Hubungan Pelanggan) (1).
Yogyakarta:
Andi.
MLA Style
Barnes, James, G..
"Secrets of Customer Relationship Management (Rahasia Manajemen Hubungan Pelanggan)".
1
Yogyakarta:
Andi,
2003.
Text.