Gaya APA
BARRON'S, .
(2007).
Toefl IBT INTERNET BASED TEST WITH 10 AUDIO CDS
.
Jakarta:
BINARUPA AKSARA.
Gaya MLA
BARRON'S, .
"Toefl IBT INTERNET BASED TEST WITH 10 AUDIO CDS".
Jakarta:
BINARUPA AKSARA,
2007.
Buku.