Trích dẫn APA

Duong, L. H. An Investigation into Linguistic Features of Directives in School Announcements in English.

Trích dẫn kiểu Chicago

Duong, Le Hong. An Investigation Into Linguistic Features of Directives in School Announcements in English.

Trích dẫn MLA

Duong, Le Hong. An Investigation Into Linguistic Features of Directives in School Announcements in English.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.