Gaya APA
TJIPTONO, F.
(1997).
Prinsip-prinsip total quality service (TQS)
.
Yogyakarta:
Andi.
Gaya MLA
TJIPTONO, Fandy.
"Prinsip-prinsip total quality service (TQS)".
Yogyakarta:
Andi,
1997.
Buku.