United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "March 1986," Business Conditions Digest (March 1986) : 2-2. https://fraser.stlouisfed.org/title/43/item/7475/toc/332495 , accessed on April 27, 2024.
United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "March 1986," Business Conditions Digest (March 1986) : 2-2. https://fraser.stlouisfed.org/title/43/item/7475/toc/332495 , accessed on April 27, 2024.