Kovacs,Karen. (2011). Speaking for IELTS: English for exams. TPHCM: NXB tổng hợp.
Trích dẫn kiểu ChicagoKovacs,Karen. Speaking for IELTS: English for Exams. TPHCM: NXB tổng hợp, 2011.
MLA citiranjeKovacs,Karen. Speaking for IELTS: English for Exams. TPHCM: NXB tổng hợp, 2011.
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