Scovell, D., & Pastellas, V. (2007). 404 Essential Tests for IELTS: Academic module. Tp. Hồ Chí Minh: Tổng hợp Tp.HCM.
Chicago Style CitationScovell, Donna, i Vickie Pastellas. 404 Essential Tests for IELTS: Academic Module. Tp. Hồ Chí Minh: Tổng hợp Tp.HCM, 2007.
Cita MLAScovell, Donna, i Vickie Pastellas. 404 Essential Tests for IELTS: Academic Module. Tp. Hồ Chí Minh: Tổng hợp Tp.HCM, 2007.
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