United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "April 1989," Business Conditions Digest (April 1989) : 56-57. https://fraser.stlouisfed.org/title/43/item/7512/toc/317196 , accessed on April 26, 2024.
United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "April 1989," Business Conditions Digest (April 1989) : 56-57. https://fraser.stlouisfed.org/title/43/item/7512/toc/317196 , accessed on April 26, 2024.