Cita APA (7th ed.)
Delurgio Stephen A. (1998). Forecasting principles and applications (ed.). McGraw hill.
Cita Chicago (17th ed.)
Delurgio Stephen A. Forecasting Principles and Applications. ed. Boston: McGraw hill, 1998.
Cita MLA (9th ed.)
Delurgio Stephen A. Forecasting Principles and Applications. ed. McGraw hill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.