Area Wage Survey: The Seattle-Everett, Washington, Metropolitan Area, January 1972 : Bulletin of the United States Bureau of Labor Statistics, No. 1725-47
United States. Bureau of Labor Statistics. "Area Wage Survey: The Seattle-Everett, Washington, Metropolitan Area, January 1972 : Bulletin of the United States Bureau of Labor Statistics, No. 1725-47," Area Wage Survey (1972). https://fraser.stlouisfed.org/title/4655/item/498823, accessed on May 6, 2021.