APA-viite

Trần Thị Yến Hoa. (2009). An investigation into common errors in using copular verbs made by fist year students. Khoa Anh.

Chicago-tyylinen lähdeviittaus

Trần Thị Yến Hoa. An Investigation Into Common Errors in Using Copular Verbs Made By Fist Year Students. Khoa Anh, 2009.

MLA-viite

Trần Thị Yến Hoa. An Investigation Into Common Errors in Using Copular Verbs Made By Fist Year Students. Khoa Anh, 2009.

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