Gaya APA
Tjiptono, F.
(1997).
Prinsip-prinsip total quality service (TOS)
.
Yogyakarta:
Andi Offset.
Gaya MLA
Tjiptono, Fandy.
"Prinsip-prinsip total quality service (TOS)".
Yogyakarta:
Andi Offset,
1997.
Text.