एपीए उद्धरण

Sinha,P K. (1980). Social security measures in India. Classical Publications.

शिकागो स्टाइल उद्धरण

Sinha,P K. Social Security Measures in India. New Delhi: Classical Publications, 1980.

एमएलए उद्धरण

Sinha,P K. Social Security Measures in India. Classical Publications, 1980.