United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "July 1969," Business Conditions Digest (July 1969) : 60-61. https://fraser.stlouisfed.org/title/43/item/7532/toc/358108 , accessed on April 19, 2024.
United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "July 1969," Business Conditions Digest (July 1969) : 60-61. https://fraser.stlouisfed.org/title/43/item/7532/toc/358108 , accessed on April 19, 2024.