Withrow, J. (1987). Effective writing: Writing skills for intermediate students of American English : student's book. Cambridge University Press.
Chicago Style (17. basım) AtıfWithrow, Jean. Effective Writing: Writing Skills for Intermediate Students of American English : Student's Book. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1987.
MLA (8th ed.) AtıfWithrow, Jean. Effective Writing: Writing Skills for Intermediate Students of American English : Student's Book. Cambridge University Press, 1987.
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