United States. Bureau of Labor Statistics. "May 1978," The Employment Situation (June 2, 1978). https://fraser.stlouisfed.org/title/144/item/56127, accessed on May 3, 2024.
United States. Bureau of Labor Statistics. "May 1978," The Employment Situation (June 2, 1978). https://fraser.stlouisfed.org/title/144/item/56127, accessed on May 3, 2024.