United States. Bureau of the Census. U.S. foreign trade: Concordance of statistical classifications of commodities imported into the United States (1978 ed.).
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. U.S. Foreign Trade: Concordance of Statistical Classifications of Commodities Imported into the United States. 1978 ed.
MLA (9th ed.) CitationUnited States. Bureau of the Census. U.S. Foreign Trade: Concordance of Statistical Classifications of Commodities Imported into the United States. 1978 ed.
Warning: These citations may not always be 100% accurate.