APA ציטוט

 Langan, J. (2008).  English skills with readings.  McGraw-Hill Higher Education.

Trích dẫn kiểu Chicago

 Langan, John.  English Skills With Readings.  McGraw-Hill Higher Education, 2008.

ציטוט MLA

 Langan, John.  English Skills With Readings.  McGraw-Hill Higher Education, 2008.