United States. Bureau of Labor Statistics. "Third Quarter 1986," Productivity and Costs (October 29, 1986). https://fraser.stlouisfed.org/title/131/item/55797, accessed on April 25, 2024.
United States. Bureau of Labor Statistics. "Third Quarter 1986," Productivity and Costs (October 29, 1986). https://fraser.stlouisfed.org/title/131/item/55797, accessed on April 25, 2024.