United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "August 1978," Business Conditions Digest (August 1978) : 2-2. https://fraser.stlouisfed.org/title/43/item/7384/toc/52949 , accessed on April 18, 2024.
United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "August 1978," Business Conditions Digest (August 1978) : 2-2. https://fraser.stlouisfed.org/title/43/item/7384/toc/52949 , accessed on April 18, 2024.