United States. Bureau of Economic Analysis. "August 2007," Survey of Current Business (August 2007). https://fraser.stlouisfed.org/title/46/item/10182, accessed on April 19, 2024.
United States. Bureau of Economic Analysis. "August 2007," Survey of Current Business (August 2007). https://fraser.stlouisfed.org/title/46/item/10182, accessed on April 19, 2024.