APA
Indian standards institution, . (1987). Specification for high density polyethylene pipes for portable water supplies sewage and industrial effluents IS:4984-1987. New Delhi: Indian standards institution.
Chicago
Indian standards institution, . 1987. Specification for high density polyethylene pipes for portable water supplies sewage and industrial effluents IS:4984-1987. New Delhi: Indian standards institution.
Harvard
Indian standards institution, . (1987). Specification for high density polyethylene pipes for portable water supplies sewage and industrial effluents IS:4984-1987. New Delhi: Indian standards institution.
MLA
Indian standards institution, . Specification for high density polyethylene pipes for portable water supplies sewage and industrial effluents IS:4984-1987. New Delhi: Indian standards institution. 1987.