APA
                B.N.R.V. Prasad, H.V. Nanjappa Department of Agronomy, . (1992). Critical period of crop weed competition in sprouted rice (Oryza sativa L.) Under puddled condition. Bangalor: University of Agricultural Scineces, Bangalore.
                
                Chicago
                B.N.R.V. Prasad, H.V. Nanjappa Department of Agronomy, . 1992. Critical period of crop weed competition in sprouted rice (Oryza sativa L.) Under puddled condition. Bangalor: University of Agricultural Scineces, Bangalore.
                
                Harvard
                B.N.R.V. Prasad, H.V. Nanjappa Department of Agronomy, . (1992). Critical period of crop weed competition in sprouted rice (Oryza sativa L.) Under puddled condition. Bangalor: University of Agricultural Scineces, Bangalore.
                
                MLA
                B.N.R.V. Prasad, H.V. Nanjappa Department of Agronomy, . Critical period of crop weed competition in sprouted rice (Oryza sativa L.) Under puddled condition. Bangalor: University of Agricultural Scineces, Bangalore. 1992.