Langan, J. (2005). College writing skills and college writing with readings (6th ed.). New York: McGraw-Hill.
Chicago ZitierstilLangan, John. College Writing Skills and College Writing With Readings. 6th ed. New York: McGraw-Hill, 2005.
MLA ZitierstilLangan, John. College Writing Skills and College Writing With Readings. 6th ed. New York: McGraw-Hill, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.