Sullivan, P. N., Zhong, G. Y. Q., Brenner, G. A., & Lê Huy Lâm. (2002). Tài liệu luyện thi Toefl =: Master the Toefl CBT 2002 : Teacher - tested strategies and techniques for scoring high. Tp.HCM: Nxb Tp.HCM.
Chicago Stili AlıntıSullivan, Patricia Noble., Grace Yi Qiu Zhong, Gail Abel Brenner, ve Lê Huy Lâm. Tài Liệu Luyện Thi Toefl =: Master the Toefl CBT 2002 : Teacher - Tested Strategies and Techniques for Scoring High. Tp.HCM: Nxb Tp.HCM, 2002.
MLA AlıntıSullivan, Patricia Noble., Grace Yi Qiu Zhong, Gail Abel Brenner, ve Lê Huy Lâm. Tài Liệu Luyện Thi Toefl =: Master the Toefl CBT 2002 : Teacher - Tested Strategies and Techniques for Scoring High. Tp.HCM: Nxb Tp.HCM, 2002.
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