United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "October 1989," Business Conditions Digest (October 1989) : 2-2. https://fraser.stlouisfed.org/title/43/item/7518/toc/370518 , accessed on March 29, 2024.
United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "October 1989," Business Conditions Digest (October 1989) : 2-2. https://fraser.stlouisfed.org/title/43/item/7518/toc/370518 , accessed on March 29, 2024.