Cita APA (7th ed.)

MAKRIDAKIS, S. G. (1990). Forecasting, planning, and strategy for the 21 st century. The Free Press.

Cita Chicago (17th ed.)

MAKRIDAKIS, Spyros G. Forecasting, Planning, and Strategy for the 21 St Century. New York: The Free Press, 1990.

Cita MLA (9th ed.)

MAKRIDAKIS, Spyros G. Forecasting, Planning, and Strategy for the 21 St Century. The Free Press, 1990.