Gaya APA
Sharpe, P, J.
(2008).
Barron's Practice Exercises for the Toefl Aud.3
.
Jakarta:
Binarupa Aksara.
Gaya MLA
Sharpe, Pamela, J..
"Barron's Practice Exercises for the Toefl Aud.3".
Jakarta:
Binarupa Aksara,
2008.
CD-ROM.