Withrow, J. (1987). Effective writing: Writing skills for intermediate student's of American English Student's Book. London: Cambridge Univ.
シカゴスタイル引用形Withrow, Jean. Effective Writing: Writing Skills for Intermediate Student's of American English Student's Book. London: Cambridge Univ, 1987.
MLA引用形式Withrow, Jean. Effective Writing: Writing Skills for Intermediate Student's of American English Student's Book. London: Cambridge Univ, 1987.
警告: この引用は必ずしも正確ではありません.