United States. Bureau of the Census & United States. Bureau of the Census. Foreign Trade Division. (1979). Correlations of selected export and import classifications used in compiling U.S. foreign trade statistics, 1978. Dept. of Commerce, Bureau of the Census, Foreign Trade Division.
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census and United States. Bureau of the Census. Foreign Trade Division. Correlations of Selected Export and Import Classifications Used in Compiling U.S. Foreign Trade Statistics, 1978. [Washington]: Dept. of Commerce, Bureau of the Census, Foreign Trade Division, 1979.
MLA (9th ed.) CitationUnited States. Bureau of the Census and United States. Bureau of the Census. Foreign Trade Division. Correlations of Selected Export and Import Classifications Used in Compiling U.S. Foreign Trade Statistics, 1978. Dept. of Commerce, Bureau of the Census, Foreign Trade Division, 1979.