Gaya APA
Kasmir, .
(2017).
Customer Services Excellent : Teori Dan Praktik
(
Ed.1 cet.1)
.
Jakarta:
Rajawali Pers.
Gaya MLA
Kasmir, .
"Customer Services Excellent : Teori Dan Praktik".
Ed.1 cet.1
Jakarta:
Rajawali Pers,
2017.
Text.