United States. Bureau of the Census. "Consumers' Prices," in United States. Bureau of the Census. "May 1989," Business Conditions Digest (May 1989) : 103-104. https://fraser.stlouisfed.org/title/43/item/7513/toc/331737 , accessed on April 24, 2024.
United States. Bureau of the Census. "Consumers' Prices," in United States. Bureau of the Census. "May 1989," Business Conditions Digest (May 1989) : 103-104. https://fraser.stlouisfed.org/title/43/item/7513/toc/331737 , accessed on April 24, 2024.