LEVENBACH, H. (1981). The Beginning Forecaster The Forecasting Process Through Data Analysis Hans Levenbach And James P.cleary. Lifetime Learning Publications.
Chicago-referens (17:e uppl.)LEVENBACH, Hans. The Beginning Forecaster The Forecasting Process Through Data Analysis Hans Levenbach And James P.cleary. Lifetime Learning Publications, 1981.
MLA-referens (8:e uppl.)LEVENBACH, Hans. The Beginning Forecaster The Forecasting Process Through Data Analysis Hans Levenbach And James P.cleary. Lifetime Learning Publications, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.