United States. Bureau of Labor Statistics. "August 2002," PPI Detailed Report (August 2002). https://fraser.stlouisfed.org/title/63/item/21802, accessed on April 18, 2024.
United States. Bureau of Labor Statistics. "August 2002," PPI Detailed Report (August 2002). https://fraser.stlouisfed.org/title/63/item/21802, accessed on April 18, 2024.