Producer Price Indexes for the Net Output of Selected Industries and Products
United States. Bureau of Labor Statistics. "Producer Price Indexes for the Net Output of Selected Industries and Products," in United States. Bureau of Labor Statistics. "December 2007," PPI Detailed Report (December 2007) : 21-111. https://fraser.stlouisfed.org/title/63/item/21865/toc/254776 , accessed on March 29, 2024.