United States. Bureau of Labor Statistics. "Second Quarter 1984 : Business, Nonfarm Business, and Manufacturing Sectors," Productivity and Costs (July 31, 1984). https://fraser.stlouisfed.org/title/131/item/55782, accessed on May 4, 2024.
United States. Bureau of Labor Statistics. "Second Quarter 1984 : Business, Nonfarm Business, and Manufacturing Sectors," Productivity and Costs (July 31, 1984). https://fraser.stlouisfed.org/title/131/item/55782, accessed on May 4, 2024.