Producer Price Indexes for Net Output of Selected Industries and Industry Groups
United States. Bureau of Labor Statistics. "Producer Price Indexes for Net Output of Selected Industries and Industry Groups," in United States. Bureau of Labor Statistics. "September 2014," PPI Detailed Report (September 2014) : 90-91. https://fraser.stlouisfed.org/title/63/item/475830/toc/501454 , accessed on May 3, 2024.