United States. Bureau of Labor Statistics. "May 1979," PPI Detailed Report (May 1979). https://fraser.stlouisfed.org/title/63/item/21522, accessed on June 27, 2024.
United States. Bureau of Labor Statistics. "May 1979," PPI Detailed Report (May 1979). https://fraser.stlouisfed.org/title/63/item/21522, accessed on June 27, 2024.