United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "November 1977," Business Conditions Digest (November 1977) : 2-2. https://fraser.stlouisfed.org/title/43/item/7375/toc/142162 , accessed on May 16, 2024.
United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "November 1977," Business Conditions Digest (November 1977) : 2-2. https://fraser.stlouisfed.org/title/43/item/7375/toc/142162 , accessed on May 16, 2024.