Levenbach, H., & Cleary, J. P. (2006). Forecasting: Practice and process for demand management. Thomson/ Brooks/Cole.
Lua i Stíl Chicago (17ú heag.)Levenbach, Hans, agus James P. Cleary. Forecasting: Practice and Process for Demand Management. Belmont, CA: Thomson/ Brooks/Cole, 2006.
Lua MLA (8ú heag.)Levenbach, Hans, agus James P. Cleary. Forecasting: Practice and Process for Demand Management. Thomson/ Brooks/Cole, 2006.
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