United States. Bureau of the Census. "Composite Indexes," in United States. Bureau of the Census. "July 1984," Business Conditions Digest (July 1984) : 16-17. https://fraser.stlouisfed.org/title/43/item/7455/toc/112111 , accessed on April 23, 2024.
United States. Bureau of the Census. "Composite Indexes," in United States. Bureau of the Census. "July 1984," Business Conditions Digest (July 1984) : 16-17. https://fraser.stlouisfed.org/title/43/item/7455/toc/112111 , accessed on April 23, 2024.