Zarnowitz, V. (1968). The new ASA-NBER survey of forecasts by economic statisticians. National Bureau of Economic Research.
Lua i Stíl Chicago (17ú heag.)Zarnowitz, Victor. The New ASA-NBER Survey of Forecasts by Economic Statisticians. New York: National Bureau of Economic Research, 1968.
Lua MLA (9ú heag.)Zarnowitz, Victor. The New ASA-NBER Survey of Forecasts by Economic Statisticians. National Bureau of Economic Research, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.