United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "June 1982," PPI Detailed Report (June 1982) : 3-3. https://fraser.stlouisfed.org/title/63/item/21559/toc/284928 , accessed on April 18, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "June 1982," PPI Detailed Report (June 1982) : 3-3. https://fraser.stlouisfed.org/title/63/item/21559/toc/284928 , accessed on April 18, 2024.