Lê, H. D., & Ngũ Thiện Hùng. (2015). An investigation into linguistic features of directives in school announcements in english. ĐHĐN: ĐHĐN.
Trích dẫn kiểu ChicagoLê, Hồng Dương, và Ngũ Thiện Hùng. An Investigation Into Linguistic Features of Directives in School Announcements in English. ĐHĐN: ĐHĐN, 2015.
Deismireacht MLALê, Hồng Dương, và Ngũ Thiện Hùng. An Investigation Into Linguistic Features of Directives in School Announcements in English. ĐHĐN: ĐHĐN, 2015.
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