एपीए उद्धरण

Sadhu, A., & Singh, A. (1980). Research methodology in social sciences.

शिकागो स्टाइल उद्धरण

Sadhu, A.N, और Amarjit Singh. Research Methodology in Social Sciences. 1980.

एमएलए उद्धरण

Sadhu, A.N, और Amarjit Singh. Research Methodology in Social Sciences. 1980.