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.