A. Putlack, M., & Link, W. (2008). How to master skills for the Toefl iBT: Intermediate. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh.
শিকাগো স্টাইলে সাইটেশনA. Putlack, Michael, এবং Will Link. How to Master Skills for the Toefl IBT: Intermediate. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2008.
এমএলএ সাইটেশনA. Putlack, Michael, এবং Will Link. How to Master Skills for the Toefl IBT: Intermediate. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2008.
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