Gaya APA
Tjiptono, F., Chandra, G. (2019).
Service, Quality & Customer Satisfaction Edisi 5 (Ed.5).
Yogyakarta:
Andi.
Gaya MLA
Tjiptono, Fandy., Chandra, Gregorius.
"Service, Quality & Customer Satisfaction Edisi 5".
Ed.5
Yogyakarta:
Andi,
2019.
Text.