Board of Governors of the Federal Reserve System (U.S.), 1935-. "August 31, 1989," G.5 Foreign Exchange Rates (1989-08-31). https://fraser.stlouisfed.org/title/1281/item/51026, accessed on April 19, 2024.
Board of Governors of the Federal Reserve System (U.S.), 1935-. "August 31, 1989," G.5 Foreign Exchange Rates (1989-08-31). https://fraser.stlouisfed.org/title/1281/item/51026, accessed on April 19, 2024.