APA
                K. Narasimhapa, S. Thimme Gowda Department of Agronomy, . (1999). Response of cowpea [Vigna unguiculata L. (Walp)] GENOTYPES To varied levels of fertilizer and spacing on growht and yield. Bangalore: University of Agricultural Sciences Bangalore.
                
                Chicago
                K. Narasimhapa, S. Thimme Gowda Department of Agronomy, . 1999. Response of cowpea [Vigna unguiculata L. (Walp)] GENOTYPES To varied levels of fertilizer and spacing on growht and yield. Bangalore: University of Agricultural Sciences Bangalore.
                
                Harvard
                K. Narasimhapa, S. Thimme Gowda Department of Agronomy, . (1999). Response of cowpea [Vigna unguiculata L. (Walp)] GENOTYPES To varied levels of fertilizer and spacing on growht and yield. Bangalore: University of Agricultural Sciences Bangalore.
                
                MLA
                K. Narasimhapa, S. Thimme Gowda Department of Agronomy, . Response of cowpea [Vigna unguiculata L. (Walp)] GENOTYPES To varied levels of fertilizer and spacing on growht and yield. Bangalore: University of Agricultural Sciences Bangalore. 1999.