एपीए उद्धरण

S.P.Gupta. (1978). Science and Its Methodology.

शिकागो स्टाइल उद्धरण

S.P.Gupta. Science and Its Methodology. Ajanta Publications, India, 1978.

एमएलए उद्धरण

S.P.Gupta. Science and Its Methodology. 1978.