Michael A. Putlack. (2008). How to master skills for the TOEFL iBT: Writing. Tp.Hồ Chí Minh: Tổng hợp Tp.Hồ Chí Minh.
Styl ChicagoMichael A. Putlack. How to Master Skills for the TOEFL IBT: Writing. Tp.Hồ Chí Minh: Tổng hợp Tp.Hồ Chí Minh, 2008.
Citace podle MLAMichael A. Putlack. How to Master Skills for the TOEFL IBT: Writing. Tp.Hồ Chí Minh: Tổng hợp Tp.Hồ Chí Minh, 2008.
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