United States. Bureau of Economic Analysis. "February 1979," Survey of Current Business (February 1979). https://fraser.stlouisfed.org/title/46/item/9886, accessed on May 4, 2024.
United States. Bureau of Economic Analysis. "February 1979," Survey of Current Business (February 1979). https://fraser.stlouisfed.org/title/46/item/9886, accessed on May 4, 2024.