United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "August 1980," Business Conditions Digest (August 1980) : 90-92. https://fraser.stlouisfed.org/title/43/item/7408/toc/157219 , accessed on May 4, 2024.
United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "August 1980," Business Conditions Digest (August 1980) : 90-92. https://fraser.stlouisfed.org/title/43/item/7408/toc/157219 , accessed on May 4, 2024.