Adams, G., & Peck, T. (2007). 101 Helpful Hints for IELTS: General training module (International ed.). Tp.HCM: Nxb tổng hợp Tp HCM.
Dyfyniad Arddull ChicagoAdams, Garry., và Terry Peck. 101 Helpful Hints for IELTS: General Training Module. International ed. Tp.HCM: Nxb tổng hợp Tp HCM, 2007.
Dyfyniad MLAAdams, Garry., và Terry Peck. 101 Helpful Hints for IELTS: General Training Module. International ed. Tp.HCM: Nxb tổng hợp Tp HCM, 2007.
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