Steiner, G. A. (1979). Strategic Planning: What Every Manager Must Know George A. Steiner. The Free.
Lua i Stíl Chicago (17ú heag.)Steiner, George A. Strategic Planning: What Every Manager Must Know George A. Steiner. The Free, 1979.
Lua MLA (8ú heag.)Steiner, George A. Strategic Planning: What Every Manager Must Know George A. Steiner. The Free, 1979.
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