Indian Standards Institution. (1966). Indian Standard : Methods of Test for Vulcanized Rubbers: : Part II - Hardness. Indian Standards Institution.
Chicago Edition CitationIndian Standards Institution. Indian Standard : Methods of Test for Vulcanized Rubbers: : Part II - Hardness. N.Delhi: Indian Standards Institution, 1966.
ציטוט MLAIndian Standards Institution. Indian Standard : Methods of Test for Vulcanized Rubbers: : Part II - Hardness. Indian Standards Institution, 1966.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.