Cita APA (7th ed.)

Tryfos, P. (1998). Methods for business analysis and forecasting: Text and cases. John Wiley.

Cita Chicago (17th ed.)

Tryfos, Peter. Methods for Business Analysis and Forecasting: Text and Cases. Nueva York: John Wiley, 1998.

Cita MLA (9th ed.)

Tryfos, Peter. Methods for Business Analysis and Forecasting: Text and Cases. John Wiley, 1998.