National Bureau of Soil Survey and Land Use Planning. (2008). Annual report 2007-08. National Bureau of Soil Survey and Land Use Planning.
Chicago-viite (17. p.)National Bureau of Soil Survey and Land Use Planning. Annual Report 2007-08. Nagpur: National Bureau of Soil Survey and Land Use Planning, 2008.
MLA-viite (9. p.)National Bureau of Soil Survey and Land Use Planning. Annual Report 2007-08. National Bureau of Soil Survey and Land Use Planning, 2008.
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