Drucker, P. F. (1992). Managing For the Future: The 1990's and Beyond. McGraw-Hill.
Chicago Stili AlıntıDrucker, Peter F. Managing For the Future: The 1990's and Beyond. New Delhi: McGraw-Hill, 1992.
MLA AlıntıDrucker, Peter F. Managing For the Future: The 1990's and Beyond. McGraw-Hill, 1992.
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