United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "April 1978," Business Conditions Digest (April 1978) : 89-91. https://fraser.stlouisfed.org/title/43/item/7380/toc/204557 , accessed on April 19, 2024.
United States. Bureau of the Census. "Price Movements," in United States. Bureau of the Census. "April 1978," Business Conditions Digest (April 1978) : 89-91. https://fraser.stlouisfed.org/title/43/item/7380/toc/204557 , accessed on April 19, 2024.