Đỗ, T. K. L., & Võ, Đ. Q.. (2017). An investigation into correlation between discourse markers usage frequency and argumentative writing skills by students at Business English Department, National Economics University = Nghiên cứu mối quan hệ giữa sử dụng dấu hiệu diễn ngôn và ki. University of Languages and International Studies.
استشهاد بنمط شيكاغوĐỗ, Thị Kiều Lan, و Đại Quang Võ. An Investigation Into Correlation between Discourse Markers Usage Frequency and Argumentative Writing Skills By Students At Business English Department, National Economics University = Nghiên Cứu Mối Quan Hệ Giữa Sử Dụng Dấu Hiệu Diễn Ngôn Và Ki. University of Languages and International Studies, 2017.
MLA استشهادĐỗ, Thị Kiều Lan, و Đại Quang Võ. An Investigation Into Correlation between Discourse Markers Usage Frequency and Argumentative Writing Skills By Students At Business English Department, National Economics University = Nghiên Cứu Mối Quan Hệ Giữa Sử Dụng Dấu Hiệu Diễn Ngôn Và Ki. University of Languages and International Studies, 2017.