Gaya APA
Shymkiw,Anna, .
().
Study English:IELTS preparation / Anna Shymkiw
.
Jakarta:
Gramedia6C2007.
Gaya MLA
Shymkiw,Anna, .
"Study English:IELTS preparation / Anna Shymkiw".
Jakarta:
Gramedia6C2007,
.
Text.