Tohutoro APA (7th ed.)

Makridakis, S. G. (1990). Forescasting planning and strategy for the 21st. Century. The freee press.

Tohutoru Kātū Chicago (17th ed.)

Makridakis, Spyros G. Forescasting Planning and Strategy for the 21st. Century. Nueva York: The freee press, 1990.

Tohutoro MLA (9th ed.)

Makridakis, Spyros G. Forescasting Planning and Strategy for the 21st. Century. The freee press, 1990.