Gaya APA
Uts, I. (2007).
Prepare for Ielts: Skills and Strategies Book One Listening and Speaking .
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Uts, Insearch.
"Prepare for Ielts: Skills and Strategies Book One Listening and Speaking".
Jakarta:
Gramedia Pustaka Utama,
2007.
Text.