Gaya APA
Herti, A, S.
(2015).
An Intoduction to Linguistics : A Practical Guide
.
Yogyakarta:
Penerbit Ombak.
Gaya MLA
Herti, Afriani,, Susi.
"An Intoduction to Linguistics : A Practical Guide".
Yogyakarta:
Penerbit Ombak,
2015.
Text.