Barnes, J. G. (2003). Secrets of Customer Relationship Management: Rahasia manajemen hubungan pelanggan. Erlangga.
Chicago Style (17th ed.) CitationBarnes, James G. Secrets of Customer Relationship Management: Rahasia Manajemen Hubungan Pelanggan. Erlangga, 2003.
MLA (8th ed.) CitationBarnes, James G. Secrets of Customer Relationship Management: Rahasia Manajemen Hubungan Pelanggan. Erlangga, 2003.
Warning: These citations may not always be 100% accurate.