United States. Bureau of the Census. "Consumers' Prices," in United States. Bureau of the Census. "June 1972," Business Conditions Digest (June 1972) : 72-72. https://fraser.stlouisfed.org/title/43/item/7567/toc/381436 , accessed on April 26, 2024.
United States. Bureau of the Census. "Consumers' Prices," in United States. Bureau of the Census. "June 1972," Business Conditions Digest (June 1972) : 72-72. https://fraser.stlouisfed.org/title/43/item/7567/toc/381436 , accessed on April 26, 2024.