Steiner, G. A. (1979). Strategic planning: What every manager must know. New York: Free Press.
Trích dẫn kiểu ChicagoSteiner, George A. Strategic Planning: What Every Manager Must Know. New York: Free Press, 1979.
Deismireacht MLASteiner, George A. Strategic Planning: What Every Manager Must Know. New York: Free Press, 1979.
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