Nguyễn, Q. H. (2008). Speak naturally 2: Programmes 11-20. TH.HCM.
シカゴスタイル引用形Nguyễn, Quốc Hùng. Speak Naturally 2: Programmes 11-20. TH.HCM, 2008.
MLA引用形式Nguyễn, Quốc Hùng. Speak Naturally 2: Programmes 11-20. TH.HCM, 2008.
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APA引用形式