एपीए उद्धरण

Sita Ram Sharma. (1998). Extension education. Omsons.

शिकागो स्टाइल उद्धरण

Sita Ram Sharma. Extension Education. New Delhi: Omsons, 1998.

एमएलए उद्धरण

Sita Ram Sharma. Extension Education. Omsons, 1998.