(1976). Forecasting For Business Methods And Aplications, Longman Business Series, Douglas Wood, Robert Fildes. Longman.
Chicago-referens (17:e uppl.)Forecasting For Business Methods And Aplications, Longman Business Series, Douglas Wood, Robert Fildes. Longman, 1976.
MLA-referens (8:e uppl.)Forecasting For Business Methods And Aplications, Longman Business Series, Douglas Wood, Robert Fildes. Longman, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.