एपीए उद्धरण

Kumar, R. (2014). Research methodology: A step-by-step guide for beginners. London: SAGE.

शिकागो स्टाइल उद्धरण

Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. London: SAGE, 2014.

एमएलए उद्धरण

Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. London: SAGE, 2014.