एपीए उद्धरण

Gopinathan, N. (1990). Economic planning and policies.

शिकागो स्टाइल उद्धरण

Gopinathan, Nair. Economic Planning and Policies. Concept Publishing Co., New Delhi, 1990.

एमएलए उद्धरण

Gopinathan, Nair. Economic Planning and Policies. 1990.