Dyfyniad APA

Pindyck, R. S., & Rubinfeld, D. L. (1998). Econometric models and economic forecasts (4th ed.). Irwin/McGraw-Hill.

Dyfyniad Arddull Chicago

Pindyck, Robert S., and Daniel L. Rubinfeld. Econometric Models and Economic Forecasts. 4th ed. Boston, Mass.: Irwin/McGraw-Hill, 1998.

Dyfyniad MLA

Pindyck, Robert S., and Daniel L. Rubinfeld. Econometric Models and Economic Forecasts. 4th ed. Irwin/McGraw-Hill, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.