Indian Standards Institution. (1969). Indian Standard: Specification for Low Density Polyethylene Pipes for Potable water Supplies. Indian Standards Institution.
Trích dẫn kiểu ChicagoIndian Standards Institution. Indian Standard: Specification for Low Density Polyethylene Pipes for Potable Water Supplies. N.Delhi: Indian Standards Institution, 1969.
Trích dẫn MLAIndian Standards Institution. Indian Standard: Specification for Low Density Polyethylene Pipes for Potable Water Supplies. Indian Standards Institution, 1969.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.