Gaya APA
Cameron, P., Todd, V. (2008).
Prepare For IELTS : General Training Practice Tests (New Edition).
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Cameron, Penny., Todd, Vanessa.
"Prepare For IELTS : General Training Practice Tests".
New Edition
Jakarta:
Gramedia Pustaka Utama,
2008.
Book.