United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "June 1985," PPI Detailed Report (June 1985) : 3-3. https://fraser.stlouisfed.org/title/63/item/21595/toc/90947 , accessed on May 8, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "June 1985," PPI Detailed Report (June 1985) : 3-3. https://fraser.stlouisfed.org/title/63/item/21595/toc/90947 , accessed on May 8, 2024.