Garbutt, M., O'Sullivan, K., & Lê Huy Lâm. (2002). IELTS: Strategies for study (Updated ed.). Tp.HCM: Nxb Tp.HCM.
Čikaški stil citiranjaGarbutt, Michael., Kerry O'Sullivan, i Lê Huy Lâm. IELTS: Strategies for Study. Updated ed. Tp.HCM: Nxb Tp.HCM, 2002.
MLA način citiranjaGarbutt, Michael., Kerry O'Sullivan, i Lê Huy Lâm. IELTS: Strategies for Study. Updated ed. Tp.HCM: Nxb Tp.HCM, 2002.
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