APA引文

Langan, J. (2008). English skills with readings (7th ed., annotated instructor's ed.). New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Langan, John. English Skills With Readings. 7th ed., annotated instructor's ed. New York: McGraw-Hill, 2008.

MLA引文

Langan, John. English Skills With Readings. 7th ed., annotated instructor's ed. New York: McGraw-Hill, 2008.