Area Wage Survey: Omaha, Nebraska-Iowa, Metropolitan Area, October 1981 : Bulletin of the United States Bureau of Labor Statistics, No. 3010-51
United States. Bureau of Labor Statistics. "Area Wage Survey: Omaha, Nebraska-Iowa, Metropolitan Area, October 1981 : Bulletin of the United States Bureau of Labor Statistics, No. 3010-51," Area Wage Survey (November 1981). https://fraser.stlouisfed.org/title/4655/item/582222, accessed on September 25, 2023.