Producer Price Indexes for Internet Publishing and Web Search Portals - NAICS 519130
United States. Bureau of Labor Statistics. "Producer Price Indexes for Internet Publishing and Web Search Portals - NAICS 519130," in United States. Bureau of Labor Statistics. "January 2010," PPI Detailed Report (January 2010) : 10-10. https://fraser.stlouisfed.org/title/63/item/21891/toc/229477 , accessed on May 9, 2024.