United States. Bureau of Labor Statistics. "First Quarter 1985," Productivity and Costs (April 25, 1985). https://fraser.stlouisfed.org/title/131/item/55786, accessed on April 30, 2024.
United States. Bureau of Labor Statistics. "First Quarter 1985," Productivity and Costs (April 25, 1985). https://fraser.stlouisfed.org/title/131/item/55786, accessed on April 30, 2024.