Drucker, P. F. (2014). Managing for the Future. Routledge is An Imprint of the Taylor and Francis Group.
Chicago-viite (17. p.)Drucker, Peter F. Managing for the Future. New York: Routledge is An Imprint of the Taylor and Francis Group, 2014.
MLA-viite (9. p.)Drucker, Peter F. Managing for the Future. Routledge is An Imprint of the Taylor and Francis Group, 2014.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.