Oka A. Yoeti
Customer service cara efektif memuaskan pelanggan
Pradnya Paramita, 2005
 Buku Teks
Armistead, Colin G.
Costumer service and support=layanan dan dukungan kepada pelanggan
Elex Media Komputindo, 1996
 Buku Teks
Vania Prastica Priyasmara
Konsekuensi company loyalty dan program loyalty G-card terhadap future purchase intentions dan willingness to pay konsumen grand Indonesia = Consequences of company loyalty and program loyalty G-card to future purchase intentions and willingness to pay grand Indonesia's consumers
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
 UI - Tesis (Membership)
Noor Rahmania, Author
Analisis Atribut Kualitas Pelayanan Dan Kepuasan Pelanggan Perum Pegadaian DKI Jakarta
2005
 UI - Tesis (Membership)
Evenson, Renee, 1951-
Stock image customer service management training 101 : quick and easy techniques that get great results
Amacom, 2012
 Buku Teks