United States. Bureau of the Census. "Consumers' Prices," in United States. Bureau of the Census. "July 1969," Business Conditions Digest (July 1969) : 103-103. https://fraser.stlouisfed.org/title/43/item/7532/toc/358150 , accessed on May 8, 2024.
United States. Bureau of the Census. "Consumers' Prices," in United States. Bureau of the Census. "July 1969," Business Conditions Digest (July 1969) : 103-103. https://fraser.stlouisfed.org/title/43/item/7532/toc/358150 , accessed on May 8, 2024.