Gaya APA
Tjiptono,Ph.d, F., Chandra, G. (2019).
Service,Quality & Customer Satisfaction (edisi 5).
Jakarta:
Andi Publisher (Andi Offset).
Gaya MLA
Tjiptono,Ph.d, Fandy., Chandra, Gregorius.
"Service,Quality & Customer Satisfaction".
edisi 5
Jakarta:
Andi Publisher (Andi Offset),
2019.
Text.