LEVENBACH, H. (1981). The Beginning Forecaster The Forecasting Process Through Data Analysis Hans Levenbach And James P.cleary. Lifetime Learning Publications.
Čikaški stil citiranja (17. izdanje)LEVENBACH, Hans. The Beginning Forecaster The Forecasting Process Through Data Analysis Hans Levenbach And James P.cleary. Lifetime Learning Publications, 1981.
MLA način citiranja (8. izdanje)LEVENBACH, Hans. The Beginning Forecaster The Forecasting Process Through Data Analysis Hans Levenbach And James P.cleary. Lifetime Learning Publications, 1981.
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