Board of Governors of the Federal Reserve System (U.S.), 1935-. "June 15, 1988," G.12.3 Industrial Production (1988-06-15). https://fraser.stlouisfed.org/title/55/item/59736, accessed on April 24, 2024.
Board of Governors of the Federal Reserve System (U.S.), 1935-. "June 15, 1988," G.12.3 Industrial Production (1988-06-15). https://fraser.stlouisfed.org/title/55/item/59736, accessed on April 24, 2024.