Board of Governors of the Federal Reserve System (U.S.), 1935-. "January 31, 1990," G.5 Foreign Exchange Rates (1990-01-31). https://fraser.stlouisfed.org/title/1281/item/51109, accessed on March 28, 2024.
Board of Governors of the Federal Reserve System (U.S.), 1935-. "January 31, 1990," G.5 Foreign Exchange Rates (1990-01-31). https://fraser.stlouisfed.org/title/1281/item/51109, accessed on March 28, 2024.