एपीए उद्धरण

Kochar, R. S. (1998). Library Classification Systems. Common Wealth Publishers.

शिकागो स्टाइल उद्धरण

Kochar, R. S. Library Classification Systems. New Delhi: Common Wealth Publishers, 1998.

एमएलए उद्धरण

Kochar, R. S. Library Classification Systems. Common Wealth Publishers, 1998.