APA
P Krishnappa Shetty, T K Ramachandra Reddy Department of Agricultural Microbiology, . (1987). Variabiity in cultivars of cowpea (Vigna unguicul;ata (L.) walp) For nodulation and nitrogen fixation. Dharwad: University of Agricultural Sciences, Dharwad.
Chicago
P Krishnappa Shetty, T K Ramachandra Reddy Department of Agricultural Microbiology, . 1987. Variabiity in cultivars of cowpea (Vigna unguicul;ata (L.) walp) For nodulation and nitrogen fixation. Dharwad: University of Agricultural Sciences, Dharwad.
Harvard
P Krishnappa Shetty, T K Ramachandra Reddy Department of Agricultural Microbiology, . (1987). Variabiity in cultivars of cowpea (Vigna unguicul;ata (L.) walp) For nodulation and nitrogen fixation. Dharwad: University of Agricultural Sciences, Dharwad.
MLA
P Krishnappa Shetty, T K Ramachandra Reddy Department of Agricultural Microbiology, . Variabiity in cultivars of cowpea (Vigna unguicul;ata (L.) walp) For nodulation and nitrogen fixation. Dharwad: University of Agricultural Sciences, Dharwad. 1987.