Singh, A. K. (1991). Perspective plan for conservation, management, and development of land resources for Central Zone of India. Giri Institute of Development Studies.
Citação do estilo Chicago (17ª ed.)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.
Citação MLA (8ª ed.)Singh, Ajit Kumar. Perspective Plan for Conservation, Management, and Development of Land Resources for Central Zone of India. Giri Institute of Development Studies, 1991.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.