John Langan. (2005). College writing skills with readings / John Langan. McGraw-Hill.
シカゴスタイル引用形John Langan. College Writing Skills With Readings / John Langan. McGraw-Hill, 2005.
MLA引用形式John Langan. College Writing Skills With Readings / John Langan. McGraw-Hill, 2005.
警告: この引用は必ずしも正確ではありません.