APA
                P. Prakash, Y. Katteppa Department of Agricultural Extension Education, . (2000). A study on thetechnological gap, yield gap and constraints of paddy cultivation in Palakkad District of Kerala. Banglaore: University of Agricultural Sciences Bangalore.
                
                Chicago
                P. Prakash, Y. Katteppa Department of Agricultural Extension Education, . 2000. A study on thetechnological gap, yield gap and constraints of paddy cultivation in Palakkad District of Kerala. Banglaore: University of Agricultural Sciences Bangalore.
                
                Harvard
                P. Prakash, Y. Katteppa Department of Agricultural Extension Education, . (2000). A study on thetechnological gap, yield gap and constraints of paddy cultivation in Palakkad District of Kerala. Banglaore: University of Agricultural Sciences Bangalore.
                
                MLA
                P. Prakash, Y. Katteppa Department of Agricultural Extension Education, . A study on thetechnological gap, yield gap and constraints of paddy cultivation in Palakkad District of Kerala. Banglaore: University of Agricultural Sciences Bangalore. 2000.