APA
                P.K. Nagaveni, G.H. Ravikumar Department of Seed Science and Technology, . (2005). Effect of storage conditions, packing material and seed treatment on viability and vigour of onion seeds. Dharwad: University of Agricultural Sciences.
                
                Chicago
                P.K. Nagaveni, G.H. Ravikumar Department of Seed Science and Technology, . 2005. Effect of storage conditions, packing material and seed treatment on viability and vigour of onion seeds. Dharwad: University of Agricultural Sciences.
                
                Harvard
                P.K. Nagaveni, G.H. Ravikumar Department of Seed Science and Technology, . (2005). Effect of storage conditions, packing material and seed treatment on viability and vigour of onion seeds. Dharwad: University of Agricultural Sciences.
                
                MLA
                P.K. Nagaveni, G.H. Ravikumar Department of Seed Science and Technology, . Effect of storage conditions, packing material and seed treatment on viability and vigour of onion seeds. Dharwad: University of Agricultural Sciences. 2005.