Skinner, R. C., & United States International Trade Commission. (1981). Summary of trade and tariff information: Sewing machines, TSUS items 672.05-672.16, 672.22, and 672.25 ; prepared in terms of the Tariff Schedules of the United States. U.S. International Trade Commission.
Chicago Style (17th ed.) CitationSkinner, Robert C., and United States International Trade Commission. Summary of Trade and Tariff Information: Sewing Machines, TSUS Items 672.05-672.16, 672.22, and 672.25 ; Prepared in Terms of the Tariff Schedules of the United States. Washington, D.C.: U.S. International Trade Commission, 1981.
MLA (8th ed.) CitationSkinner, Robert C., and United States International Trade Commission. Summary of Trade and Tariff Information: Sewing Machines, TSUS Items 672.05-672.16, 672.22, and 672.25 ; Prepared in Terms of the Tariff Schedules of the United States. U.S. International Trade Commission, 1981.