United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "March 1982," PPI Detailed Report (March 1982) : 3-3. https://fraser.stlouisfed.org/title/63/item/21556/toc/57577 , accessed on March 29, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "March 1982," PPI Detailed Report (March 1982) : 3-3. https://fraser.stlouisfed.org/title/63/item/21556/toc/57577 , accessed on March 29, 2024.