Gallagher, Richard S.
Great customer connections: simple psychological techniques that guarantee exceptional service
American Management Association, 2006
 eBooks
Kasmir
Etika customer service / Kasmir
RajaGrafindo Persada, 2005
 Buku Teks
Zemke, Ron
Knock your socks off service recovery
[American Management Association, ], 2000
 eBooks
Ratih Permata
Usulan rancangan program pelatihan pelayanan berfokus pelanggan pada perawat ICU rumah sakit X
Fakultas Psikologi Universitas Indonesia, 2006
 UI - Tesis (Membership)
Widodo
Analisis peluang pengembangan basis pelanggan divisi workshop perawatan dan perbaikan printer PT. XYZ: studi kasus PT. XYZ sebagai authorized service provider Hewlett Packard
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2005
 UI - Tesis (Membership)