New Producer Price Index for the Data Processing Services Industry - SIC 7374
United States. Bureau of Labor Statistics. "New Producer Price Index for the Data Processing Services Industry - SIC 7374," in United States. Bureau of Labor Statistics. "January 2002," PPI Detailed Report (January 2002) : 11-11. https://fraser.stlouisfed.org/title/63/item/21796/toc/83965 , accessed on March 28, 2024.