Gaya APA
Tjiptono,Fandy, .
(2004).
Prinsip-prinsip total qoality service (TQS)
(
Ed.4)
.
Yogyakarta:
Andi.
Gaya MLA
Tjiptono,Fandy, .
"Prinsip-prinsip total qoality service (TQS)".
Ed.4
Yogyakarta:
Andi,
2004.
Textbook.