Langan, J. (1987). Sentence skills: A workbook for writers. New York: McGraw-Hill.
シカゴスタイル引用形Langan, John. Sentence Skills: A Workbook for Writers. New York: McGraw-Hill, 1987.
MLA引用形式Langan, John. Sentence Skills: A Workbook for Writers. New York: McGraw-Hill, 1987.
警告: この引用は必ずしも正確ではありません.