एपीए उद्धरण

Verma,V S. (1981). Census of India 1981. Indian Administrative Service.

शिकागो स्टाइल उद्धरण

Verma,V S. Census of India 1981. India: Indian Administrative Service, 1981.

एमएलए उद्धरण

Verma,V S. Census of India 1981. Indian Administrative Service, 1981.