Nguyễn Thị Thanh Hương. (2009). Interractive Language CourseBusiness English Negotiations. Tổng Hợp TPHCM.
シカゴスタイル引用形Nguyễn Thị Thanh Hương. Interractive Language CourseBusiness English Negotiations. Tổng Hợp TPHCM, 2009.
MLA引用形式Nguyễn Thị Thanh Hương. Interractive Language CourseBusiness English Negotiations. Tổng Hợp TPHCM, 2009.
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