United States. Bureau of Labor Statistics. "January 2004," PPI Detailed Report (January 2004). https://fraser.stlouisfed.org/title/63/item/21819, accessed on April 25, 2024.
United States. Bureau of Labor Statistics. "January 2004," PPI Detailed Report (January 2004). https://fraser.stlouisfed.org/title/63/item/21819, accessed on April 25, 2024.