United States. Bureau of the Census. "Foreign Trade," in United States. Bureau of the Census. "October 1983," Business Conditions Digest (October 1983) : 88-88. https://fraser.stlouisfed.org/title/43/item/7446/toc/273471 , accessed on May 1, 2024.
United States. Bureau of the Census. "Foreign Trade," in United States. Bureau of the Census. "October 1983," Business Conditions Digest (October 1983) : 88-88. https://fraser.stlouisfed.org/title/43/item/7446/toc/273471 , accessed on May 1, 2024.