United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "June 2000," PPI Detailed Report (June 2000) : 3-4. https://fraser.stlouisfed.org/title/63/item/21776/toc/424923 , accessed on April 18, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "June 2000," PPI Detailed Report (June 2000) : 3-4. https://fraser.stlouisfed.org/title/63/item/21776/toc/424923 , accessed on April 18, 2024.