Drucker, P. F. (1993). Managing for the future: The 1990s and beyond. McGraw -Hill.
Citación estilo ChicagoDrucker, Peter F. Managing for the Future: The 1990s and Beyond. New Delhi: McGraw -Hill, 1993.
Cita MLADrucker, Peter F. Managing for the Future: The 1990s and Beyond. McGraw -Hill, 1993.
Precaución: Estas citas no son 100% exactas.