United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "October 2003," PPI Detailed Report (October 2003) : 3-4. https://fraser.stlouisfed.org/title/63/item/21816/toc/306263 , accessed on April 19, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "October 2003," PPI Detailed Report (October 2003) : 3-4. https://fraser.stlouisfed.org/title/63/item/21816/toc/306263 , accessed on April 19, 2024.