Gaya APA
Prihartanti, Y., H, M, N.
(2020).
Costumer Service
.
Surakarta:
CV Mediatama.
Gaya MLA
Prihartanti, Yuni., H, Meilansari, Noor.
"Costumer Service".
Surakarta:
CV Mediatama,
2020.
Text.