National Bureau of Soil Survey and Land Use Planning. (2008). Annual report 2007-08. National Bureau of Soil Survey and Land Use Planning.
Chicago-Zitierstil (17. Ausg.)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-Zitierstil (9. Ausg.)National Bureau of Soil Survey and Land Use Planning. Annual Report 2007-08. National Bureau of Soil Survey and Land Use Planning, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.