APA
                Ravi S. Surpur, G.s. Dasog Department of Soil Science and Agricultural Chemis, . (1996). Clay mineralogy of red and latyeritic soils of North Karnataka. Dharwad: University  of Agricultural Scineces, Dharwad.
                
                Chicago
                Ravi S. Surpur, G.s. Dasog Department of Soil Science and Agricultural Chemis, . 1996. Clay mineralogy of red and latyeritic soils of North Karnataka. Dharwad: University  of Agricultural Scineces, Dharwad.
                
                Harvard
                Ravi S. Surpur, G.s. Dasog Department of Soil Science and Agricultural Chemis, . (1996). Clay mineralogy of red and latyeritic soils of North Karnataka. Dharwad: University  of Agricultural Scineces, Dharwad.
                
                MLA
                Ravi S. Surpur, G.s. Dasog Department of Soil Science and Agricultural Chemis, . Clay mineralogy of red and latyeritic soils of North Karnataka. Dharwad: University  of Agricultural Scineces, Dharwad. 1996.