Drucker, P. (1992). Managing for the future: The 1990s and beyond. TMH.
Chicago-čujuhus (17. p.)Drucker, Peter. Managing for the Future: The 1990s and Beyond. New delhi: TMH, 1992.
MLA-čujuhus (9. p.)Drucker, Peter. Managing for the Future: The 1990s and Beyond. TMH, 1992.
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