Gaya APA
Shymkiw, A.
(2007).
Study English: IELTS Preparation, Series One
.
Jakarta:
PT. Gramedia Pustaka Utama.
Gaya MLA
Shymkiw, Anna.
"Study English: IELTS Preparation, Series One".
Jakarta:
PT. Gramedia Pustaka Utama,
2007.
Text.