Indian Standards Institution. (1979). Indian Standard: Specification for High Density Polyethylene Pipes for Water Supplies, Sewage and Industrial Effluents. Indian Standards Institution.
Citação norma ChicagoIndian Standards Institution. Indian Standard: Specification for High Density Polyethylene Pipes for Water Supplies, Sewage and Industrial Effluents. N.Delhi: Indian Standards Institution, 1979.
Citação norma MLAIndian Standards Institution. Indian Standard: Specification for High Density Polyethylene Pipes for Water Supplies, Sewage and Industrial Effluents. Indian Standards Institution, 1979.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.