United States. Bureau of Labor Statistics. "March 1973," The Employment Situation (April 6, 1973). https://fraser.stlouisfed.org/title/144/item/496994, accessed on April 27, 2024.
United States. Bureau of Labor Statistics. "March 1973," The Employment Situation (April 6, 1973). https://fraser.stlouisfed.org/title/144/item/496994, accessed on April 27, 2024.