Putlack, M. A., & Poirier, S. (2008). How to master skills for the toefl R iBT Writing Advanced. Tp. Hồ Chí Minh: Nxb. Tổng hợp Tp. Hồ Chí Minh.
শিকাগো স্টাইলে সাইটেশনPutlack, Michael A., এবং Stephen Poirier. How to Master Skills for the Toefl R IBT Writing Advanced. Tp. Hồ Chí Minh: Nxb. Tổng hợp Tp. Hồ Chí Minh, 2008.
এমএলএ সাইটেশনPutlack, Michael A., এবং Stephen Poirier. How to Master Skills for the Toefl R IBT Writing Advanced. Tp. Hồ Chí Minh: Nxb. Tổng hợp Tp. Hồ Chí Minh, 2008.
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