Gaya APA
Shymkiw, A.
(2007).
Study English IELTS Preparation - Resource Book
.
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
Shymkiw, Anna.
"Study English IELTS Preparation - Resource Book".
Jakarta:
PT Gramedia Pustaka Utama,
2007.
.