United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "November 2007," PPI Detailed Report (November 2007) : 8-10. https://fraser.stlouisfed.org/title/63/item/21864/toc/55139 , accessed on April 19, 2024.
United States. Bureau of Labor Statistics. "Charts," in United States. Bureau of Labor Statistics. "November 2007," PPI Detailed Report (November 2007) : 8-10. https://fraser.stlouisfed.org/title/63/item/21864/toc/55139 , accessed on April 19, 2024.