Board of Governors of the Federal Reserve System (U.S.), 1935-. "August 31, 1987," G.5 Foreign Exchange Rates (1987-08-31). https://fraser.stlouisfed.org/title/1281/item/51086, accessed on May 24, 2022.
Board of Governors of the Federal Reserve System (U.S.), 1935-. "August 31, 1987," G.5 Foreign Exchange Rates (1987-08-31). https://fraser.stlouisfed.org/title/1281/item/51086, accessed on May 24, 2022.