United States. Bureau of the Census. "Consumers' Prices," in United States. Bureau of the Census. "April 1988," Business Conditions Digest (April 1988) : 101-102. https://fraser.stlouisfed.org/title/43/item/7500/toc/188314 , accessed on May 9, 2024.
United States. Bureau of the Census. "Consumers' Prices," in United States. Bureau of the Census. "April 1988," Business Conditions Digest (April 1988) : 101-102. https://fraser.stlouisfed.org/title/43/item/7500/toc/188314 , accessed on May 9, 2024.