United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "July 2003," PPI Detailed Report (July 2003) : 11-13. https://fraser.stlouisfed.org/title/63/item/21813/toc/201035 , accessed on May 10, 2024.
United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "July 2003," PPI Detailed Report (July 2003) : 11-13. https://fraser.stlouisfed.org/title/63/item/21813/toc/201035 , accessed on May 10, 2024.