United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "March 1969," Business Conditions Digest (March 1969) : 60-61. https://fraser.stlouisfed.org/title/43/item/7528/toc/62142 , accessed on May 10, 2024.
United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "March 1969," Business Conditions Digest (March 1969) : 60-61. https://fraser.stlouisfed.org/title/43/item/7528/toc/62142 , accessed on May 10, 2024.