WHELWRIGHT, S. C. (1989). Forecasting Methods For Management / Steven C. Wheelwright,Spyros Makridakis. John Wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWHELWRIGHT, Steven C. Forecasting Methods For Management / Steven C. Wheelwright,Spyros Makridakis. John Wiley & Sons, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWHELWRIGHT, Steven C. Forecasting Methods For Management / Steven C. Wheelwright,Spyros Makridakis. John Wiley & Sons, 1989.
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