United States. Bureau of Economic Analysis. "June 1988," Survey of Current Business (June 1988). https://fraser.stlouisfed.org/title/46/item/10086, accessed on May 12, 2024.
United States. Bureau of Economic Analysis. "June 1988," Survey of Current Business (June 1988). https://fraser.stlouisfed.org/title/46/item/10086, accessed on May 12, 2024.