APA
C. Seenappa, A.P. Nagaraju Department of Agronomy, . (2001). Effect of sulphur, boron and zinc on growth, yield and nodulation of cowpea (Vigna unguiculata L. walp). Bangalore: University of Agricultural Sciences Bangalore.
Chicago
C. Seenappa, A.P. Nagaraju Department of Agronomy, . 2001. Effect of sulphur, boron and zinc on growth, yield and nodulation of cowpea (Vigna unguiculata L. walp). Bangalore: University of Agricultural Sciences Bangalore.
Harvard
C. Seenappa, A.P. Nagaraju Department of Agronomy, . (2001). Effect of sulphur, boron and zinc on growth, yield and nodulation of cowpea (Vigna unguiculata L. walp). Bangalore: University of Agricultural Sciences Bangalore.
MLA
C. Seenappa, A.P. Nagaraju Department of Agronomy, . Effect of sulphur, boron and zinc on growth, yield and nodulation of cowpea (Vigna unguiculata L. walp). Bangalore: University of Agricultural Sciences Bangalore. 2001.