United States. Bureau of Labor Statistics. "Producer Price Indexes—August 2023," Producer Price Indexes (September 14, 2023). https://fraser.stlouisfed.org/title/6837/item/649364, accessed on April 30, 2024.
United States. Bureau of Labor Statistics. "Producer Price Indexes—August 2023," Producer Price Indexes (September 14, 2023). https://fraser.stlouisfed.org/title/6837/item/649364, accessed on April 30, 2024.