(1971). Synthetic organic chemicals: United States production and sales, 1969 ([1st ed.].). United States Tariff Commission.
Citace podle Chicago (17th ed.)Synthetic Organic Chemicals: United States Production and Sales, 1969. [1st ed.]. Washington: United States Tariff Commission, 1971.
Citace podle MLA (9th ed.)Synthetic Organic Chemicals: United States Production and Sales, 1969. [1st ed.]. United States Tariff Commission, 1971.
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