एपीए उद्धरण

Singh,Ravi Shankar Kumar. (2003). Role of NGO's in developing countries: Potentials,constrains and policies. Deep & Deep Publications.

शिकागो स्टाइल उद्धरण

Singh,Ravi Shankar Kumar. Role of NGO's in Developing Countries: Potentials,constrains and Policies. New Delhi: Deep & Deep Publications, 2003.

एमएलए उद्धरण

Singh,Ravi Shankar Kumar. Role of NGO's in Developing Countries: Potentials,constrains and Policies. Deep & Deep Publications, 2003.