United States. Bureau of Economic Analysis. "February 1973," Survey of Current Business (February 1973). https://fraser.stlouisfed.org/title/46/item/9828, accessed on April 18, 2024.
United States. Bureau of Economic Analysis. "February 1973," Survey of Current Business (February 1973). https://fraser.stlouisfed.org/title/46/item/9828, accessed on April 18, 2024.