एपीए उद्धरण

Venugopal Reddy.V, E. (2006). World of open and distance learning. Viva books.

शिकागो स्टाइल उद्धरण

Venugopal Reddy.V, Ed. World of Open and Distance Learning. New Delhi: Viva books, 2006.

एमएलए उद्धरण

Venugopal Reddy.V, Ed. World of Open and Distance Learning. Viva books, 2006.