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