Gaya APA
HELLYSTIA, D.
(2020).
A research on sociolinguistics
.
Yogyakarta:
Deepublish Publisher.
Gaya MLA
HELLYSTIA, Devi.
"A research on sociolinguistics".
Yogyakarta:
Deepublish Publisher,
2020.
FKSB-Sastra Inggris.