APA aipamena

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

Chicago Style aipamena

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.

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.