United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "October 2002," PPI Detailed Report (October 2002) : 3-4. https://fraser.stlouisfed.org/title/63/item/21804/toc/300998 , accessed on May 10, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "October 2002," PPI Detailed Report (October 2002) : 3-4. https://fraser.stlouisfed.org/title/63/item/21804/toc/300998 , accessed on May 10, 2024.