Buttle, F. Customer Relationship Managemen (manajemen hubungan pelanggan), concepts and tools. Bayumedia Pub, Malang, Th 2007.
Chicago Style CitationButtle, Francis. Customer Relationship Managemen (manajemen Hubungan Pelanggan), Concepts and Tools. Bayumedia Pub, Malang, Th 2007.
MLA CitationButtle, Francis. Customer Relationship Managemen (manajemen Hubungan Pelanggan), Concepts and Tools. Bayumedia Pub, Malang, Th 2007.
Warning: These citations may not always be 100% accurate.