United States. Bureau of the Census. "Foreign Trade," in United States. Bureau of the Census. "July 1985," Business Conditions Digest (July 1985) : 88-88. https://fraser.stlouisfed.org/title/43/item/7467/toc/415754 , accessed on April 23, 2024.
United States. Bureau of the Census. "Foreign Trade," in United States. Bureau of the Census. "July 1985," Business Conditions Digest (July 1985) : 88-88. https://fraser.stlouisfed.org/title/43/item/7467/toc/415754 , accessed on April 23, 2024.