Drucker, P. F. (2002). Managing in the next society. St. Martin's Press.
Lua i Stíl Chicago (17ú heag.)Drucker, Peter F. Managing in the Next Society. New York: St. Martin's Press, 2002.
Lua MLA (8ú heag.)Drucker, Peter F. Managing in the Next Society. St. Martin's Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.