United States. Bureau of Labor Statistics. "April 1989," The Employment Situation (May 5, 1989). https://fraser.stlouisfed.org/title/144/item/56205, accessed on April 19, 2024.
United States. Bureau of Labor Statistics. "April 1989," The Employment Situation (May 5, 1989). https://fraser.stlouisfed.org/title/144/item/56205, accessed on April 19, 2024.