Zarnowitz, V. (1968). The new ASA-NBER survey of forecasts by economic statisticians. National Bureau of Economic Research.
Chicago-referens (17:e uppl.)Zarnowitz, Victor. The New ASA-NBER Survey of Forecasts by Economic Statisticians. New York: National Bureau of Economic Research, 1968.
MLA-referens (9:e uppl.)Zarnowitz, Victor. The New ASA-NBER Survey of Forecasts by Economic Statisticians. National Bureau of Economic Research, 1968.
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