BIENSTOCK C C. (1998). SALES FORECASTING MANAGEMENT. SAGE PUBLICATIONS.
Dyfyniad Arddull ChicagoBIENSTOCK C C. SALES FORECASTING MANAGEMENT. NEW DEHLI: SAGE PUBLICATIONS, 1998.
Dyfyniad MLABIENSTOCK C C. SALES FORECASTING MANAGEMENT. SAGE PUBLICATIONS, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.