Gaya APA

Sharpe, P, J. (2007). To the TOEFL: Test of English as a Foreign Language Internet-Based Test (Sixth edition). : Barrons Educational Series, Inc.

Gaya MLA

Sharpe, Pemela, J. "To the TOEFL: Test of English as a Foreign Language Internet-Based Test". Sixth edition : Barrons Educational Series, Inc, 2007. Book.