Dyfyniad APA

.DeLurgio, S. A. (1998). Forecasting principles and applications. Irwin/McGraw-Hill.

Dyfyniad Arddull Chicago

.DeLurgio, Stephen A. Forecasting Principles and Applications. Boston: Irwin/McGraw-Hill, 1998.

Dyfyniad MLA

.DeLurgio, Stephen A. Forecasting Principles and Applications. Irwin/McGraw-Hill, 1998.

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