United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "October 2008," PPI Detailed Report (October 2008) : 10-12. https://fraser.stlouisfed.org/title/63/item/21875/toc/355192 , accessed on May 4, 2024.
United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "October 2008," PPI Detailed Report (October 2008) : 10-12. https://fraser.stlouisfed.org/title/63/item/21875/toc/355192 , accessed on May 4, 2024.