एपीए उद्धरण

Langan, J. (2005). College Writing Skill. McGraw Hill Companies Inc.

शिकागो स्टाइल उद्धरण

Langan, John. College Writing Skill. McGraw Hill Companies Inc, 2005.

एमएलए उद्धरण

Langan, John. College Writing Skill. McGraw Hill Companies Inc, 2005.