Board of Governors of the Federal Reserve System (U.S.), 1935-. "February 20, 1987," H.10 Foreign Exchange Rates (1987-02-20). https://fraser.stlouisfed.org/title/1286/item/51785, accessed on April 13, 2024.
Board of Governors of the Federal Reserve System (U.S.), 1935-. "February 20, 1987," H.10 Foreign Exchange Rates (1987-02-20). https://fraser.stlouisfed.org/title/1286/item/51785, accessed on April 13, 2024.