United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "May 2000," PPI Detailed Report (May 2000) : 8-10. https://fraser.stlouisfed.org/title/63/item/21775/toc/46469 , accessed on May 4, 2024.
United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "May 2000," PPI Detailed Report (May 2000) : 8-10. https://fraser.stlouisfed.org/title/63/item/21775/toc/46469 , accessed on May 4, 2024.