United States. Bureau of Labor Statistics. "Manufacturing Sector," in United States. Bureau of Labor Statistics. "Third Quarter 1985 : Revised Data for Business, Nonfarm Business, and Manufacturing and Preliminary Measures for Nonfinancial Corporations," Productivity and Costs (December 2, 1985) : 8-8. https://fraser.stlouisfed.org/title/131/item/55790/toc/436106 , accessed on April 24, 2024.