United States. Bureau of the Census. "November 1979," Business Conditions Digest (November 1979). https://fraser.stlouisfed.org/title/43/item/7399, accessed on April 24, 2024.
United States. Bureau of the Census. "November 1979," Business Conditions Digest (November 1979). https://fraser.stlouisfed.org/title/43/item/7399, accessed on April 24, 2024.