Putlack, M. A., Link, W., & Poirier, S. (2014). How to master skills for the TOEFL IBT writing intermediate. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh.
Παραπομπή Chicago StylePutlack, Michael A., Will Link, και Stephen Poirier. How to Master Skills for the TOEFL IBT Writing Intermediate. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh, 2014.
Παραπομπή MLAPutlack, Michael A., Will Link, και Stephen Poirier. How to Master Skills for the TOEFL IBT Writing Intermediate. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh, 2014.
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