United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "December 2000," PPI Detailed Report (December 2000) : 3-4. https://fraser.stlouisfed.org/title/63/item/21782/toc/152417 , accessed on May 4, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "December 2000," PPI Detailed Report (December 2000) : 3-4. https://fraser.stlouisfed.org/title/63/item/21782/toc/152417 , accessed on May 4, 2024.