United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "August 1989," Business Conditions Digest (August 1989) : 2-2. https://fraser.stlouisfed.org/title/43/item/7516/toc/192156 , accessed on April 19, 2024.
United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "August 1989," Business Conditions Digest (August 1989) : 2-2. https://fraser.stlouisfed.org/title/43/item/7516/toc/192156 , accessed on April 19, 2024.