APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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