United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "July 1982," PPI Detailed Report (July 1982) : 3-3. https://fraser.stlouisfed.org/title/63/item/21560/toc/194273 , accessed on April 26, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "July 1982," PPI Detailed Report (July 1982) : 3-3. https://fraser.stlouisfed.org/title/63/item/21560/toc/194273 , accessed on April 26, 2024.