Scovell, D., Knobel, M., & Pastellas, V. (2007). 404 essential tests for IELTS: Academic module. Tp. Hồ Chí Minh: Tổng hợp.
シカゴスタイル引用形Scovell, Donna., Max Knobel, , Vickie Pastellas. 404 Essential Tests for IELTS: Academic Module. Tp. Hồ Chí Minh: Tổng hợp, 2007.
MLA引用形式Scovell, Donna., Max Knobel, , Vickie Pastellas. 404 Essential Tests for IELTS: Academic Module. Tp. Hồ Chí Minh: Tổng hợp, 2007.
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