Gaya APA
Afriani, S, H.
(2015).
An Introduction to Linguistics A Practical Guide
.
Yogyakarta:
penerbit ombak.
Gaya MLA
Afriani, Susi, Herti.
"An Introduction to Linguistics A Practical Guide".
Yogyakarta:
penerbit ombak,
2015.
Text.