APA Style
Shymkiw, A., Larbalestier, D. (2007).
Study English IELTS Preparation: Resource Book Series 1 (Ed. 1).
Jakarta:
PT Gramedia Pustaka.
MLA Style
Shymkiw, Anna., Larbalestier, David.
"Study English IELTS Preparation: Resource Book Series 1".
Ed. 1
Jakarta:
PT Gramedia Pustaka,
2007.
Text.