एपीए उद्धरण

Langan, J. (2005). English skills with readings (6th ed.). Boston, MA: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Langan, John. English Skills With Readings. 6th ed. Boston, MA: McGraw-Hill, 2005.

एमएलए उद्धरण

Langan, John. English Skills With Readings. 6th ed. Boston, MA: McGraw-Hill, 2005.