Dyfyniad APA

Ord, J. K., & Fildes, R. (2013). Principles of business forecasting. South-Western Cengage Learning.

Dyfyniad Arddull Chicago

Ord, J. K., and Robert Fildes. Principles of Business Forecasting. Mason, OH: South-Western Cengage Learning, 2013.

Dyfyniad MLA

Ord, J. K., and Robert Fildes. Principles of Business Forecasting. South-Western Cengage Learning, 2013.

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