Gaya APA

Ph.D., P, J, S. (2008). TOEFL iBT: Internet-Based Test 2008 (12). New York: Barrons Educational Series.

Gaya MLA

Ph.D., Pamela, J., Sharpe,. "TOEFL iBT: Internet-Based Test 2008". 12 New York: Barrons Educational Series, 2008. Text.