United States. Bureau of Labor Statistics. "July 1987," The Employment Situation (August 7, 1987). https://fraser.stlouisfed.org/title/144/item/56195, accessed on April 18, 2024.
United States. Bureau of Labor Statistics. "July 1987," The Employment Situation (August 7, 1987). https://fraser.stlouisfed.org/title/144/item/56195, accessed on April 18, 2024.