United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "November 2008," PPI Detailed Report (November 2008) : 2-3. https://fraser.stlouisfed.org/title/63/item/21877/toc/430822 , accessed on May 11, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "November 2008," PPI Detailed Report (November 2008) : 2-3. https://fraser.stlouisfed.org/title/63/item/21877/toc/430822 , accessed on May 11, 2024.