United States. Bureau of Labor Statistics. "February 1977," The Employment Situation (March 4, 1977). https://fraser.stlouisfed.org/title/144/item/56119, accessed on April 28, 2024.
United States. Bureau of Labor Statistics. "February 1977," The Employment Situation (March 4, 1977). https://fraser.stlouisfed.org/title/144/item/56119, accessed on April 28, 2024.