Makridakis S., Wheelwright S. C., . (1978). Forecasting methods and applications. Santa Barbara: John wiley.
Makridakis Spyros, Wheelwright Steven C, . 1978. Forecasting methods and applications. Santa Barbara: John wiley.
Makridakis Spyros, Wheelwright Steven C, . Forecasting methods and applications. Santa Barbara: John wiley. 1978.