United States. Bureau of Labor Statistics. "January 1980," CPI Detailed Report (January 1980). https://fraser.stlouisfed.org/title/58/item/19366, accessed on April 19, 2024.
United States. Bureau of Labor Statistics. "January 1980," CPI Detailed Report (January 1980). https://fraser.stlouisfed.org/title/58/item/19366, accessed on April 19, 2024.