Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 1, 1989," G.5 Foreign Exchange Rates (1989-12-01). https://fraser.stlouisfed.org/title/1281/item/51107, accessed on April 26, 2024.
Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 1, 1989," G.5 Foreign Exchange Rates (1989-12-01). https://fraser.stlouisfed.org/title/1281/item/51107, accessed on April 26, 2024.