United States. Bureau of Economic Analysis. "October 1988," Survey of Current Business (October 1988). https://fraser.stlouisfed.org/title/46/item/10089, accessed on May 11, 2024.
United States. Bureau of Economic Analysis. "October 1988," Survey of Current Business (October 1988). https://fraser.stlouisfed.org/title/46/item/10089, accessed on May 11, 2024.