Producer Price Indexes for Commodity and Service Groupings and Individual Items
United States. Bureau of Labor Statistics. "Producer Price Indexes for Commodity and Service Groupings and Individual Items," in United States. Bureau of Labor Statistics. "August 2015," PPI Detailed Report (August 2015) : 33-90. https://fraser.stlouisfed.org/title/63/item/500040/toc/513290 , accessed on April 19, 2024.