Sehgal, J. L. (1992). Agro -ecological regions of India (2.). Oxford I B H publishing company.
Chicago Edition CitationSehgal, J L. Agro -ecological Regions of India. 2. New Delhi: Oxford I B H publishing company, 1992.
MLA Edition CitationSehgal, J L. Agro -ecological Regions of India. 2. Oxford I B H publishing company, 1992.
Warning: These citations may not always be 100% accurate.