Gaya APA

Tjiptono, F., Chandra, G. (2019). Service Quality & Customer Satisfaction-Edisi 5 . Yogyakarta: ANDI.

Gaya MLA

Tjiptono, Fandy., Chandra, Gregorius. "Service Quality & Customer Satisfaction-Edisi 5". Yogyakarta: ANDI, 2019. Teks.