United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "March 2000," PPI Detailed Report (March 2000) : 9-11. https://fraser.stlouisfed.org/title/63/item/21760/toc/276735 , accessed on April 25, 2024.
United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "March 2000," PPI Detailed Report (March 2000) : 9-11. https://fraser.stlouisfed.org/title/63/item/21760/toc/276735 , accessed on April 25, 2024.