Indian Standards Institution. (1966). Indian Standard : Methods of Test for Vulcanized Rubbers: : Part II - Hardness. Indian Standards Institution.
استشهاد بنمط شيكاغوIndian Standards Institution. Indian Standard : Methods of Test for Vulcanized Rubbers: : Part II - Hardness. N.Delhi: Indian Standards Institution, 1966.
MLA استشهادIndian Standards Institution. Indian Standard : Methods of Test for Vulcanized Rubbers: : Part II - Hardness. Indian Standards Institution, 1966.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.