एपीए उद्धरण

Sudarshan Rana. (1994). Open Learning in India. Common Wealth Publishers.

शिकागो स्टाइल उद्धरण

Sudarshan Rana. Open Learning in India. Newdelhi: Common Wealth Publishers, 1994.

एमएलए उद्धरण

Sudarshan Rana. Open Learning in India. Common Wealth Publishers, 1994.