United States. Bureau of Labor Statistics. "Third Quarter 1983," Productivity and Costs (October 27, 1983). https://fraser.stlouisfed.org/title/131/item/55841, accessed on April 25, 2024.
United States. Bureau of Labor Statistics. "Third Quarter 1983," Productivity and Costs (October 27, 1983). https://fraser.stlouisfed.org/title/131/item/55841, accessed on April 25, 2024.