Gaya APA
Sharpe, P, J.
(2007).
Barron's TOEFL IBT: internet based test with CD-ROM
.
Yogjakarta:
Binarupa Aksara.
Gaya MLA
Sharpe, Pamela, J..
"Barron's TOEFL IBT: internet based test with CD-ROM".
Yogjakarta:
Binarupa Aksara,
2007.
Text.