Producer Price Indexes and Percent Changes for Commodity Groupings and Individual Items
United States. Bureau of Labor Statistics. "Producer Price Indexes and Percent Changes for Commodity Groupings and Individual Items," in United States. Bureau of Labor Statistics. "January 2012," PPI Detailed Report (January 2012) : 109-167. https://fraser.stlouisfed.org/title/63/item/21914/toc/174858 , accessed on April 19, 2024.