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. "July 2014," PPI Detailed Report (July 2014) : 35-92. https://fraser.stlouisfed.org/title/63/item/21944/toc/179994 , accessed on March 28, 2024.