McGuckin, R. H., Ozyildirim, A., & Zarnowitz, V. (2001). The composite index of leading economic indicators: How to make it more timely. National Bureau of Economic Research.
Chicago-viite (17. p.)McGuckin, Robert H., Ataman Ozyildirim, ja Victor Zarnowitz. The Composite Index of Leading Economic Indicators: How to Make It More Timely. Cambridge: National Bureau of Economic Research, 2001.
MLA-viite (9. p.)McGuckin, Robert H., et al. The Composite Index of Leading Economic Indicators: How to Make It More Timely. National Bureau of Economic Research, 2001.
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