United States. Bureau of the Census. "August 1988," Business Conditions Digest (August 1988). https://fraser.stlouisfed.org/title/43/item/7504, accessed on April 20, 2024.
United States. Bureau of the Census. "August 1988," Business Conditions Digest (August 1988). https://fraser.stlouisfed.org/title/43/item/7504, accessed on April 20, 2024.