Gaya APA
Kasmir, D.
(2017).
Customer Services Excellent, Teori dan Praktik
(
Ed.1, Cet.1)
.
Jakarta:
Rajawali Press.
Gaya MLA
Kasmir, Dr..
"Customer Services Excellent, Teori dan Praktik".
Ed.1, Cet.1
Jakarta:
Rajawali Press,
2017.
Text.