Drucker, P. F. (1992). Managing for the future: The 1990s and beyond. New York: Tuman Talley Books/Dutton.
Chicago Style CitationDrucker, Peter F. Managing for the Future: The 1990s and Beyond. New York: Tuman Talley Books/Dutton, 1992.
Cita MLADrucker, Peter F. Managing for the Future: The 1990s and Beyond. New York: Tuman Talley Books/Dutton, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.