United States. Bureau of Labor Statistics. "March 1989," CPI Detailed Report (March 1989). https://fraser.stlouisfed.org/title/58/item/19297, accessed on May 7, 2024.
United States. Bureau of Labor Statistics. "March 1989," CPI Detailed Report (March 1989). https://fraser.stlouisfed.org/title/58/item/19297, accessed on May 7, 2024.