Indian Standards Institution. (1980). Sectional list of Indian Standards: : petroleum, coal and related products. Indian Standards Institution.
シカゴスタイル引用形Indian Standards Institution. Sectional List of Indian Standards: : Petroleum, Coal and Related Products. N.Delhi: Indian Standards Institution, 1980.
MLA引用形式Indian Standards Institution. Sectional List of Indian Standards: : Petroleum, Coal and Related Products. Indian Standards Institution, 1980.
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