Indian Standards Institution. (1979). Indian Standard: Specification for High Density Polyethylene Pipes for Water Supplies, Sewage and Industrial Effluents. Indian Standards Institution.
Chicago Style citaatIndian Standards Institution. Indian Standard: Specification for High Density Polyethylene Pipes for Water Supplies, Sewage and Industrial Effluents. N.Delhi: Indian Standards Institution, 1979.
MLA citatieIndian Standards Institution. Indian Standard: Specification for High Density Polyethylene Pipes for Water Supplies, Sewage and Industrial Effluents. Indian Standards Institution, 1979.
Let op: Deze citaties zijn niet altijd 100% accuraat.