Productivity Indexes for Selected Industries, 1979 : Bulletin of the United States Bureau of Labor Statistics, No. 2054
United States. Bureau of Labor Statistics. "Productivity Indexes for Selected Industries, 1979 : Bulletin of the United States Bureau of Labor Statistics, No. 2054," Productivity Measures for Selected Industries (1979). https://fraser.stlouisfed.org/title/4825/item/499616, accessed on May 2, 2024.