United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "June 1980," Business Conditions Digest (June 1980) : 90-92. https://fraser.stlouisfed.org/title/43/item/7406/toc/294623 , accessed on April 19, 2024.
United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "June 1980," Business Conditions Digest (June 1980) : 90-92. https://fraser.stlouisfed.org/title/43/item/7406/toc/294623 , accessed on April 19, 2024.