एपीए उद्धरण

Langan, J. (2003). Ten Skill You Really Need to Succeed in College. McGraw - HillCompanies, Inc.

शिकागो स्टाइल उद्धरण

Langan, John. Ten Skill You Really Need to Succeed in College. McGraw - HillCompanies, Inc, 2003.

एमएलए उद्धरण

Langan, John. Ten Skill You Really Need to Succeed in College. McGraw - HillCompanies, Inc, 2003.