Gaya APA
Sharpe, P, J. (2007).
How to prepare for the TOEFL IBT : internet-based test / Pamela J. Sharpe (Ed. 12).
Jakarta:
Bina Aksara.
Gaya MLA
Sharpe, Pamela, J..
"How to prepare for the TOEFL IBT : internet-based test / Pamela J. Sharpe".
Ed. 12
Jakarta:
Bina Aksara,
2007.
Buku.