Dyfyniad APA

Makridakis,Spyros. (1998). Forecasting methods and applications. John Wiley & Sons,Inc.

Dyfyniad Arddull Chicago

Makridakis,Spyros. Forecasting Methods and Applications. New York: John Wiley & Sons,Inc, 1998.

Dyfyniad MLA

Makridakis,Spyros. Forecasting Methods and Applications. John Wiley & Sons,Inc, 1998.

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