Occupational Wage Survey: Sioux Falls, South Dakota, November 1960 : Bulletin of the United States Bureau of Labor Statistics, No. 1285-17
United States. Bureau of Labor Statistics. "Occupational Wage Survey: Sioux Falls, South Dakota, November 1960 : Bulletin of the United States Bureau of Labor Statistics, No. 1285-17," Occupational Wage Survey (December 1960). https://fraser.stlouisfed.org/title/4510/item/495862, accessed on April 19, 2024.