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. "June 2008," PPI Detailed Report (June 2008) : 111-150. https://fraser.stlouisfed.org/title/63/item/21871/toc/211704 , accessed on March 28, 2024.