APA
                Balachandar R. Akkannavar, V.K. Deshpande Department of Seed Science and Technology, . (2001). Influence of nitrogen, phosphorus, spacing and ghrowth retardants on seed yield and quality of agreratum (Ageratum houstonianum). Dharwad: Universityof Agricultural Sciences Dharwad.
                
                Chicago
                Balachandar R. Akkannavar, V.K. Deshpande Department of Seed Science and Technology, . 2001. Influence of nitrogen, phosphorus, spacing and ghrowth retardants on seed yield and quality of agreratum (Ageratum houstonianum). Dharwad: Universityof Agricultural Sciences Dharwad.
                
                Harvard
                Balachandar R. Akkannavar, V.K. Deshpande Department of Seed Science and Technology, . (2001). Influence of nitrogen, phosphorus, spacing and ghrowth retardants on seed yield and quality of agreratum (Ageratum houstonianum). Dharwad: Universityof Agricultural Sciences Dharwad.
                
                MLA
                Balachandar R. Akkannavar, V.K. Deshpande Department of Seed Science and Technology, . Influence of nitrogen, phosphorus, spacing and ghrowth retardants on seed yield and quality of agreratum (Ageratum houstonianum). Dharwad: Universityof Agricultural Sciences Dharwad. 2001.