United States. Bureau of Labor Statistics. "December 1998," CPI Detailed Report (December 1998). https://fraser.stlouisfed.org/title/58/item/19495, accessed on March 18, 2024.
United States. Bureau of Labor Statistics. "December 1998," CPI Detailed Report (December 1998). https://fraser.stlouisfed.org/title/58/item/19495, accessed on March 18, 2024.