Trần Thị Yến Hoa. (2009). An investigation into common errors in using copular verbs made by fist year students. Khoa Anh.
Chicago-стиль цитированияTrần Thị Yến Hoa. An Investigation Into Common Errors in Using Copular Verbs Made By Fist Year Students. Khoa Anh, 2009.
MLA-цитированиеTrần Thị Yến Hoa. An Investigation Into Common Errors in Using Copular Verbs Made By Fist Year Students. Khoa Anh, 2009.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.