Withrow, J. (1987). Effective writing: Writing skills for intermediate student's of American English Student's Book. London: Cambridge Univ.
Trích dẫn kiểu ChicagoWithrow, Jean. Effective Writing: Writing Skills for Intermediate Student's of American English Student's Book. London: Cambridge Univ, 1987.
MLA引文Withrow, Jean. Effective Writing: Writing Skills for Intermediate Student's of American English Student's Book. London: Cambridge Univ, 1987.
警告：這些引文格式不一定是100％准確.