United States. Bureau of Labor Statistics. "Second Quarter 1992 [Preliminary]," Productivity and Costs (August 11, 1992). https://fraser.stlouisfed.org/title/131/item/55821, accessed on April 28, 2024.
United States. Bureau of Labor Statistics. "Second Quarter 1992 [Preliminary]," Productivity and Costs (August 11, 1992). https://fraser.stlouisfed.org/title/131/item/55821, accessed on April 28, 2024.