Gaya APA
Kasmir, .
(2018).
Customer Services Excellent Teori dan Praktik
(
Ed.1 Cet. 1)
.
Depok:
Rajawali Pers.
Gaya MLA
Kasmir, .
"Customer Services Excellent Teori dan Praktik".
Ed.1 Cet. 1
Depok:
Rajawali Pers,
2018.
Text.