एपीए उद्धरण

BARTHWAL,R R. (2008). Industrial economics: An introductory textbook (2.).

शिकागो स्टाइल उद्धरण

BARTHWAL,R R. Industrial Economics: An Introductory Textbook. 2. New Age International Publishers, New Delhi, 2008.

एमएलए उद्धरण

BARTHWAL,R R. Industrial Economics: An Introductory Textbook. 2. 2008.