एपीए उद्धरण

Nigam, J. (1990). Indian Science: Era of stabilisation. Willey eastern.

शिकागो स्टाइल उद्धरण

Nigam, J.K. Indian Science: Era of Stabilisation. New Delhi: Willey eastern, 1990.

एमएलए उद्धरण

Nigam, J.K. Indian Science: Era of Stabilisation. Willey eastern, 1990.