United States. Bureau of the Census. "Cyclical Indicators," in United States. Bureau of the Census. "June 1984," Business Conditions Digest (June 1984) : 12-14. https://fraser.stlouisfed.org/title/43/item/7454/toc/197693 , accessed on May 3, 2024.
United States. Bureau of the Census. "Cyclical Indicators," in United States. Bureau of the Census. "June 1984," Business Conditions Digest (June 1984) : 12-14. https://fraser.stlouisfed.org/title/43/item/7454/toc/197693 , accessed on May 3, 2024.