एपीए उद्धरण

Singh, H. P. (1979). Resource appraisal and planning in India. Rajesh publications.

शिकागो स्टाइल उद्धरण

Singh, Harendra Pal. Resource Appraisal and Planning in India. Delhi: Rajesh publications, 1979.

एमएलए उद्धरण

Singh, Harendra Pal. Resource Appraisal and Planning in India. Rajesh publications, 1979.