National Bureau of Soil Survey & Land Use Planning. (1999). Annual Report 1999. NBSS & LUP.
Chicago-stil citatNational Bureau of Soil Survey & Land Use Planning. Annual Report 1999. Nagpur: NBSS & LUP, 1999.
MLA-referensNational Bureau of Soil Survey & Land Use Planning. Annual Report 1999. NBSS & LUP, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.