Dyfyniad APA
Pindyck, R. S., & Rubinfeld, D. L. (1991). Econometric models and economic forecasts (3rd ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Pindyck, Robert S., and Daniel L. Rubinfeld. Econometric Models and Economic Forecasts. 3rd ed. New York: McGraw-Hill, 1991.
Dyfyniad MLA
Pindyck, Robert S., and Daniel L. Rubinfeld. Econometric Models and Economic Forecasts. 3rd ed. McGraw-Hill, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.