United States. Bureau of Labor Statistics. "November 1980," PPI Detailed Report (November 1980). https://fraser.stlouisfed.org/title/63/item/21540, accessed on March 28, 2024.
United States. Bureau of Labor Statistics. "November 1980," PPI Detailed Report (November 1980). https://fraser.stlouisfed.org/title/63/item/21540, accessed on March 28, 2024.