United States. Bureau of Labor Statistics. "June 1999," PPI Detailed Report (June 1999). https://fraser.stlouisfed.org/title/63/item/21766, accessed on May 5, 2024.
United States. Bureau of Labor Statistics. "June 1999," PPI Detailed Report (June 1999). https://fraser.stlouisfed.org/title/63/item/21766, accessed on May 5, 2024.