एपीए उद्धरण

Langan, J., & John Langan. Reading and study skills. New York, NY: McGraw-Hill Higher Education.

शिकागो स्टाइल उद्धरण

Langan, John, और John Langan. Reading and Study Skills. New York, NY: McGraw-Hill Higher Education.

एमएलए उद्धरण

Langan, John, और John Langan. Reading and Study Skills. New York, NY: McGraw-Hill Higher Education.