Gaya APA
Shymkiw, A.
(2010).
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,
2010.
Buku.