Gaya APA
Rizka, H., Intani, M, W.
(2017).
Master Pocket IELTS
.
Yogyakarta:
CEMERLAPUBLISHING.
Gaya MLA
Rizka, Haira., Intani, Maulidya, W..
"Master Pocket IELTS".
Yogyakarta:
CEMERLAPUBLISHING,
2017.
Text.