Gaya APA
Rooy, R, D.
(2007).
Prepare For Ielts Skills and Strategies
.
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
Rooy, Rae, De.
"Prepare For Ielts Skills and Strategies".
Jakarta:
PT Gramedia Pustaka Utama,
2007.
Text.