United States. Bureau of Labor Statistics. "October 1987," The Employment Situation (November 6, 1987). https://fraser.stlouisfed.org/title/144/item/56005, accessed on April 27, 2024.
United States. Bureau of Labor Statistics. "October 1987," The Employment Situation (November 6, 1987). https://fraser.stlouisfed.org/title/144/item/56005, accessed on April 27, 2024.