APA
Indian standards institution, . (1981). Code of practice for lining of canals with low density polyethylene film 9698-1980. New Delhi: Indian standards institution.
Chicago
Indian standards institution, . 1981. Code of practice for lining of canals with low density polyethylene film 9698-1980. New Delhi: Indian standards institution.
Harvard
Indian standards institution, . (1981). Code of practice for lining of canals with low density polyethylene film 9698-1980. New Delhi: Indian standards institution.
MLA
Indian standards institution, . Code of practice for lining of canals with low density polyethylene film 9698-1980. New Delhi: Indian standards institution. 1981.