Gaya APA
Sentana, A.
(2006).
Excelent Service & Customer Satisfation
(
Cet. 1)
.
Jakarta:
Elex Media Komputindo.
Gaya MLA
Sentana, Aso.
"Excelent Service & Customer Satisfation".
Cet. 1
Jakarta:
Elex Media Komputindo,
2006.
Text.