Gaya APA
Tjiptono, F.
(2002).
Prinsip-Prinsip Total quality Service (TQS)
(
4)
.
Yogyakarta:
Andi.
Gaya MLA
Tjiptono, Fandy.
"Prinsip-Prinsip Total quality Service (TQS)".
4
Yogyakarta:
Andi,
2002.
Text.