Putlack, M. A., & Poirier, S. (2012). How to master skills for the TOEFL IBT writing advanced. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh.
शिकागो स्टाइल उद्धरणPutlack, Michael A., और Stephen Poirier. How to Master Skills for the TOEFL IBT Writing Advanced. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh, 2012.
एमएलए उद्धरणPutlack, Michael A., और Stephen Poirier. How to Master Skills for the TOEFL IBT Writing Advanced. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh, 2012.
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