United States. Bureau of Labor Statistics. "December 1997," CPI Detailed Report (December 1997). https://fraser.stlouisfed.org/title/58/item/19458, accessed on April 19, 2024.
United States. Bureau of Labor Statistics. "December 1997," CPI Detailed Report (December 1997). https://fraser.stlouisfed.org/title/58/item/19458, accessed on April 19, 2024.