United States. Bureau of Economic Analysis. "June 1980," Survey of Current Business (June 1980). https://fraser.stlouisfed.org/title/46/item/9977, accessed on April 18, 2024.
United States. Bureau of Economic Analysis. "June 1980," Survey of Current Business (June 1980). https://fraser.stlouisfed.org/title/46/item/9977, accessed on April 18, 2024.