Gaya APA
Tjiptono, F., Chandra, G. (2019).
Service, Quality & Customer Satisfaction (Kelima).
Yogyakarta:
Andi Yogyakarta.
Gaya MLA
Tjiptono, Fandy., Chandra, Gregorius.
"Service, Quality & Customer Satisfaction".
Kelima
Yogyakarta:
Andi Yogyakarta,
2019.
BUKU.