APA
                N. Venugopal, K. Shivashankar Department of Agronomy, . (1988). Maize stover residue management and nitrogen levels on sole maize and paired row system of maize-soybean intercropping. Bangalore: University of Agriculatural Sciences, Bangalore.
                
                Chicago
                N. Venugopal, K. Shivashankar Department of Agronomy, . 1988. Maize stover residue management and nitrogen levels on sole maize and paired row system of maize-soybean intercropping. Bangalore: University of Agriculatural Sciences, Bangalore.
                
                Harvard
                N. Venugopal, K. Shivashankar Department of Agronomy, . (1988). Maize stover residue management and nitrogen levels on sole maize and paired row system of maize-soybean intercropping. Bangalore: University of Agriculatural Sciences, Bangalore.
                
                MLA
                N. Venugopal, K. Shivashankar Department of Agronomy, . Maize stover residue management and nitrogen levels on sole maize and paired row system of maize-soybean intercropping. Bangalore: University of Agriculatural Sciences, Bangalore. 1988.