Indian Standards Institution. (1969). Indian Standard: Specification for Low Density Polyethylene Pipes for Potable water Supplies. Indian Standards Institution.
استشهاد بنمط شيكاغوIndian Standards Institution. Indian Standard: Specification for Low Density Polyethylene Pipes for Potable Water Supplies. N.Delhi: Indian Standards Institution, 1969.
MLA استشهادIndian Standards Institution. Indian Standard: Specification for Low Density Polyethylene Pipes for Potable Water Supplies. Indian Standards Institution, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.