HANKE, J. E. (2005). Business forecasting [ada CD] John E. Hanke, Dean W. Wichern. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)HANKE, John E. Business Forecasting [ada CD] John E. Hanke, Dean W. Wichern. Prentice Hall, 2005.
Lua MLA (8ú heag.)HANKE, John E. Business Forecasting [ada CD] John E. Hanke, Dean W. Wichern. Prentice Hall, 2005.
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