United States. Bureau of Labor Statistics. "June 2001," PPI Detailed Report (June 2001). https://fraser.stlouisfed.org/title/63/item/21788, accessed on April 18, 2024.
United States. Bureau of Labor Statistics. "June 2001," PPI Detailed Report (June 2001). https://fraser.stlouisfed.org/title/63/item/21788, accessed on April 18, 2024.