United States. Bureau of Labor Statistics. "Manufacturing Sector," in United States. Bureau of Labor Statistics. "Third Quarter 1986 : Revised Data for Business, Nonfarm Business, and Manufacturing and Preliminary Measures for Nonfinancial Corporations," Productivity and Costs (December 2, 1986) : 9-9. https://fraser.stlouisfed.org/title/131/item/55798/toc/449364 , accessed on May 1, 2024.