Withrow, J. (1987). Effective Writing: Writing Skills for Intermediate Students of American English : Student"s Book. Cambridge: Cambridge University.
Trích dẫn kiểu ChicagoWithrow, Jean. Effective Writing: Writing Skills for Intermediate Students of American English : Student"s Book. Cambridge: Cambridge University, 1987.
Deismireacht MLAWithrow, Jean. Effective Writing: Writing Skills for Intermediate Students of American English : Student"s Book. Cambridge: Cambridge University, 1987.
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