Producer Prices and Price Indexes for Commodity Groupings and Individual Items
United States. Bureau of Labor Statistics. "Producer Prices and Price Indexes for Commodity Groupings and Individual Items," in United States. Bureau of Labor Statistics. "April 1979," PPI Detailed Report (April 1979) : 19-63. https://fraser.stlouisfed.org/title/63/item/21521/toc/417531 , accessed on April 25, 2024.