LinguaForum. (2011). TOEFL IBT b-writing (New edition.). T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh; Công ty TNHH Nhân Trí Việt.
শিকাগো স্টাইলে সাইটেশনLinguaForum. TOEFL IBT B-writing. New edition. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh; Công ty TNHH Nhân Trí Việt, 2011.
এমএলএ সাইটেশনLinguaForum. TOEFL IBT B-writing. New edition. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh; Công ty TNHH Nhân Trí Việt, 2011.
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