United States. Bureau of Labor Statistics. "September 1998," CPI Detailed Report (September 1998). https://fraser.stlouisfed.org/title/58/item/19492, accessed on March 19, 2024.
United States. Bureau of Labor Statistics. "September 1998," CPI Detailed Report (September 1998). https://fraser.stlouisfed.org/title/58/item/19492, accessed on March 19, 2024.