United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "September 2000," PPI Detailed Report (September 2000) : 9-11. https://fraser.stlouisfed.org/title/63/item/21779/toc/125588 , accessed on May 3, 2024.
United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "September 2000," PPI Detailed Report (September 2000) : 9-11. https://fraser.stlouisfed.org/title/63/item/21779/toc/125588 , accessed on May 3, 2024.