Scovell, D., Knobel, M., & Pastellas, V. (2007). 404 essential tests for IELTS: Academic module. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh, Công ty TNHH Nhân Trí Việt.
শিকাগো স্টাইলে সাইটেশনScovell, Donna, Max Knobel, এবং Vickie Pastellas. 404 Essential Tests for IELTS: Academic Module. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh, Công ty TNHH Nhân Trí Việt, 2007.
এমএলএ সাইটেশনScovell, Donna, Max Knobel, এবং Vickie Pastellas. 404 Essential Tests for IELTS: Academic Module. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh, Công ty TNHH Nhân Trí Việt, 2007.
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