APA引文

Langan, J. (2002). English skills with readings (5th ed.). Boston, MA: McGraw-Hill.

Trích dẫn kiểu Chicago

Langan, John. English Skills With Readings. 5th ed. Boston, MA: McGraw-Hill, 2002.

MLA引文

Langan, John. English Skills With Readings. 5th ed. Boston, MA: McGraw-Hill, 2002.