Gaya APA
Rooy, R, D. (2010).
Prepare For Ielts Skills And Strategies Book one Reading And Writing .
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Rooy, Rae, De.
"Prepare For Ielts Skills And Strategies Book one Reading And Writing".
Jakarta:
Gramedia Pustaka Utama,
2010.
Cetak.