Văn Hào. (2011). IELTS 6: Examination papers from the university of Cambridge local examination syndicate. H: Văn hoá Thông tin.
Chicago Style aipamenaVăn Hào. IELTS 6: Examination Papers From the University of Cambridge Local Examination Syndicate. H: Văn hoá Thông tin, 2011.
MLA aipamenaVăn Hào. IELTS 6: Examination Papers From the University of Cambridge Local Examination Syndicate. H: Văn hoá Thông tin, 2011.
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