Productivity Indexes for Selected Industries, 1977 Edition : Bulletin of the United States Bureau of Labor Statistics, No. 1983
United States. Bureau of Labor Statistics. "Productivity Indexes for Selected Industries, 1977 Edition : Bulletin of the United States Bureau of Labor Statistics, No. 1983," Productivity Measures for Selected Industries (1977). https://fraser.stlouisfed.org/title/4825/item/499414, accessed on May 4, 2024.