एपीए उद्धरण

John Langan. (2005). College writing skills with readings / John Langan. McGraw-Hill.

शिकागो स्टाइल उद्धरण

John Langan. College Writing Skills With Readings / John Langan. McGraw-Hill, 2005.

एमएलए उद्धरण

John Langan. College Writing Skills With Readings / John Langan. McGraw-Hill, 2005.