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. "May 2014," PPI Detailed Report (May 2014) : 32-87. https://fraser.stlouisfed.org/title/63/item/21942/toc/312421 , accessed on May 2, 2024.