Ord, J. K., & Fildes, R. (2013). Principles of business forecasting. South-Western Cengage Learning.
Chicago Stili AlıntıOrd, J. K., ve Robert Fildes. Principles of Business Forecasting. Mason, OH: South-Western Cengage Learning, 2013.
MLA AlıntıOrd, J. K., ve Robert Fildes. Principles of Business Forecasting. South-Western Cengage Learning, 2013.
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