Gaya APA

Shymkiw, A., Larbalestier, D. (2007). Study English: ielts preparation . Jakarta: PT Gramedia Pustaka Utama.

Gaya MLA

Shymkiw, Anna., Larbalestier, David. "Study English: ielts preparation". Jakarta: PT Gramedia Pustaka Utama, 2007. Text.