Gaya APA
Sharpe, P, J. (2007).
Barron's How to Prepare for the Toefl IBT : Test of English as a Foreign Language Internet - Based Test (12).
Jakarta:
Binarupa Aksara.
Gaya MLA
Sharpe, Pamela, J.
"Barron's How to Prepare for the Toefl IBT : Test of English as a Foreign Language Internet - Based Test".
12
Jakarta:
Binarupa Aksara,
2007.
TEKS.