Sharpe, P. J. (2009). Barron's students' #1 choice pass key to the TOEFL iBT: Test of English as a foreign language Internet-based test (6th ed.). Tp.HCM: Nxb. Trẻ.
シカゴスタイル引用形Sharpe, Pamela J. Barron's Students' #1 Choice Pass Key to the TOEFL IBT: Test of English As a Foreign Language Internet-based Test. 6th ed. Tp.HCM: Nxb. Trẻ, 2009.
MLA引用形式Sharpe, Pamela J. Barron's Students' #1 Choice Pass Key to the TOEFL IBT: Test of English As a Foreign Language Internet-based Test. 6th ed. Tp.HCM: Nxb. Trẻ, 2009.
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