Langan, J. (2005). College writing skills, with readings (6th ed.). McGraw-Hill.
Chicagoスタイル(17版)引用形式Langan, John. College Writing Skills, with Readings. 6th ed. Boston: McGraw-Hill, 2005.
MLA(8版)引用形式Langan, John. College Writing Skills, with Readings. 6th ed. McGraw-Hill, 2005.
警告: この引用は必ずしも正確ではありません.