Gaya APA
kasmir, .
(2018).
Customer services excellent : teori dan praktik
(
Ed. 1, Cet. 2)
.
Jakarta:
Rajawali Pers.
Gaya MLA
kasmir, .
"Customer services excellent : teori dan praktik".
Ed. 1, Cet. 2
Jakarta:
Rajawali Pers,
2018.
Text.