United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "October 1969," Business Conditions Digest (October 1969) : 60-61. https://fraser.stlouisfed.org/title/43/item/7535/toc/394758 , accessed on May 7, 2024.
United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "October 1969," Business Conditions Digest (October 1969) : 60-61. https://fraser.stlouisfed.org/title/43/item/7535/toc/394758 , accessed on May 7, 2024.