Gaya APA
Tjiptono, F., Chandra, G. (2019).
Sevice, Quality & Customer Satisfaction (5).
Yogyakarta:
CV Andi Offset.
Gaya MLA
Tjiptono, Fandy., Chandra, Gregorius.
"Sevice, Quality & Customer Satisfaction".
5
Yogyakarta:
CV Andi Offset,
2019.
Textbook.