Indian Standards Institution. (1969). Indian Standard: Specification for Rubber Sealing Rings for Domestic Fruit and Vegetable Preserving Jars. Indian Standards Institution.
استشهاد بنمط شيكاغوIndian Standards Institution. Indian Standard: Specification for Rubber Sealing Rings for Domestic Fruit and Vegetable Preserving Jars. N.Delhi: Indian Standards Institution, 1969.
MLA استشهادIndian Standards Institution. Indian Standard: Specification for Rubber Sealing Rings for Domestic Fruit and Vegetable Preserving Jars. Indian Standards Institution, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.