Federal Reserve Bank of St. Louis. "Week Ending: February 4, 1981," U.S. Financial Data (February 4, 1981). https://fraser.stlouisfed.org/title/5335/item/538400, accessed on April 19, 2024.
Federal Reserve Bank of St. Louis. "Week Ending: February 4, 1981," U.S. Financial Data (February 4, 1981). https://fraser.stlouisfed.org/title/5335/item/538400, accessed on April 19, 2024.