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 2014," PPI Detailed Report (August 2014) : 32-89. https://fraser.stlouisfed.org/title/63/item/475829/toc/501433 , accessed on April 18, 2024.