APA (7 ম সংস্করণ) উদ্ধৃতি

Singh, A. K. (1991). Perspective plan for conservation, management, and development of land resources for Central Zone of India. Giri Institute of Development Studies.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Singh, Ajit Kumar. Perspective Plan for Conservation, Management, and Development of Land Resources for Central Zone of India. Lucknow: Giri Institute of Development Studies, 1991.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Singh, Ajit Kumar. Perspective Plan for Conservation, Management, and Development of Land Resources for Central Zone of India. Giri Institute of Development Studies, 1991.

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