Drucker, P. F. (2014). Managing for the Future. Routledge is An Imprint of the Taylor and Francis Group.
Dyfyniad Arddull ChicagoDrucker, Peter F. Managing for the Future. New York: Routledge is An Imprint of the Taylor and Francis Group, 2014.
Dyfyniad MLADrucker, Peter F. Managing for the Future. Routledge is An Imprint of the Taylor and Francis Group, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.