United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "October 1988," Business Conditions Digest (October 1988) : 2-2. https://fraser.stlouisfed.org/title/43/item/7506/toc/381347 , accessed on March 29, 2024.
United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "October 1988," Business Conditions Digest (October 1988) : 2-2. https://fraser.stlouisfed.org/title/43/item/7506/toc/381347 , accessed on March 29, 2024.