APA
Ravichandran S, B.C. Kamanna Department of Plant Pathology, . (2012). Epidemiology and management of purple blotch of onion caused by alternaria porri (ellis.) cif. Dharwad: University of Agricultural Sciences.
Chicago
Ravichandran S, B.C. Kamanna Department of Plant Pathology, . 2012. Epidemiology and management of purple blotch of onion caused by alternaria porri (ellis.) cif. Dharwad: University of Agricultural Sciences.
Harvard
Ravichandran S, B.C. Kamanna Department of Plant Pathology, . (2012). Epidemiology and management of purple blotch of onion caused by alternaria porri (ellis.) cif. Dharwad: University of Agricultural Sciences.
MLA
Ravichandran S, B.C. Kamanna Department of Plant Pathology, . Epidemiology and management of purple blotch of onion caused by alternaria porri (ellis.) cif. Dharwad: University of Agricultural Sciences. 2012.