एपीए उद्धरण

Dr. Nishanth Singh. (2010). Yauavan utpeedan aur balatkar. Radha Pub.

शिकागो स्टाइल उद्धरण

Dr. Nishanth Singh. Yauavan Utpeedan Aur Balatkar. Radha Pub, 2010.

एमएलए उद्धरण

Dr. Nishanth Singh. Yauavan Utpeedan Aur Balatkar. Radha Pub, 2010.