APA
India P. c., . (1970). Study of the Externsion of Plant Protection Measures In Agricultural production. : The Manager of Publications Delhi., New Delhi.
Chicago
India Planning commission, . 1970. Study of the Externsion of Plant Protection Measures In Agricultural production. : The Manager of Publications Delhi., New Delhi.
Harvard
India P. c., . (1970). Study of the Externsion of Plant Protection Measures In Agricultural production. : The Manager of Publications Delhi., New Delhi.
MLA
India Planning commission, . Study of the Externsion of Plant Protection Measures In Agricultural production. : The Manager of Publications Delhi., New Delhi. 1970.