United States. Bureau of Economic Analysis. "October 1980," Survey of Current Business (October 1980). https://fraser.stlouisfed.org/title/46/item/9981, accessed on April 19, 2024.
United States. Bureau of Economic Analysis. "October 1980," Survey of Current Business (October 1980). https://fraser.stlouisfed.org/title/46/item/9981, accessed on April 19, 2024.