United States. Bureau of Labor Statistics. "January 1980," The Employment Situation (February 1, 1980). https://fraser.stlouisfed.org/title/144/item/56069, accessed on April 28, 2024.
United States. Bureau of Labor Statistics. "January 1980," The Employment Situation (February 1, 1980). https://fraser.stlouisfed.org/title/144/item/56069, accessed on April 28, 2024.