United States. Bureau of Economic Analysis. "October 2012," Survey of Current Business (October 2012). https://fraser.stlouisfed.org/title/46/item/10241, accessed on May 10, 2024.
United States. Bureau of Economic Analysis. "October 2012," Survey of Current Business (October 2012). https://fraser.stlouisfed.org/title/46/item/10241, accessed on May 10, 2024.