Industry Wage Survey: Electric and Gas Utilities, October-November 1967 : Bulletin of the United States Bureau of Labor Statistics, No. 1614
United States. Bureau of Labor Statistics. "Industry Wage Survey: Electric and Gas Utilities, October-November 1967 : Bulletin of the United States Bureau of Labor Statistics, No. 1614," Industry Wage Survey: Electric and Gas Utilities (1969). https://fraser.stlouisfed.org/title/4595/item/498436, accessed on April 25, 2024.