APA استشهاد

Lê, H. D., & Ngũ Thiện Hùng. (2015). An investigation into linguistic features of directives in school announcements in english. ĐHĐN: ĐHĐN.

استشهاد بنمط شيكاغو

Lê, Hồng Dương, و Ngũ Thiện Hùng. An Investigation Into Linguistic Features of Directives in School Announcements in English. ĐHĐN: ĐHĐN, 2015.

MLA استشهاد

Lê, Hồng Dương, و Ngũ Thiện Hùng. An Investigation Into Linguistic Features of Directives in School Announcements in English. ĐHĐN: ĐHĐN, 2015.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.