Indian Standards Institution. (1969). Indian Standard: Specification for Rubber Sealing Rings for Domestic Fruit and Vegetable Preserving Jars. Indian Standards Institution.
শিকাগো স্টাইলে সাইটেশনIndian Standards Institution. Indian Standard: Specification for Rubber Sealing Rings for Domestic Fruit and Vegetable Preserving Jars. N.Delhi: Indian Standards Institution, 1969.
এমএলএ সাইটেশনIndian Standards Institution. Indian Standard: Specification for Rubber Sealing Rings for Domestic Fruit and Vegetable Preserving Jars. Indian Standards Institution, 1969.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.