Sharpe, P. J., & Pamela J.Sharpe. (2006). Barron's how to prepare for the TOEFL Test of english as a foreign language with audio compact discs. [Tp. Hồ Chí Minh]: Trẻ.
Chicago-tyylinen lähdeviittausSharpe, Pamela J., ja Pamela J.Sharpe. Barron's How to Prepare for the TOEFL Test of English As a Foreign Language With Audio Compact Discs. [Tp. Hồ Chí Minh]: Trẻ, 2006.
MLA-viiteSharpe, Pamela J., ja Pamela J.Sharpe. Barron's How to Prepare for the TOEFL Test of English As a Foreign Language With Audio Compact Discs. [Tp. Hồ Chí Minh]: Trẻ, 2006.
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