(1973). Methods and techniques of business forecasting. Prentice-Hall, Inc.
Chicago-viite (17. p.)Methods and Techniques of Business Forecasting. Englewood Cliffs, New Jersey: Prentice-Hall, Inc, 1973.
MLA-viite (9. p.)Methods and Techniques of Business Forecasting. Prentice-Hall, Inc, 1973.
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