Drucker, P. F. (1989). The new realities: In government and politics--, in economy and business--, in society--, and in world view. Mandarin.
Lua i Stíl Chicago (17ú heag.)Drucker, Peter Ferdinand. The New Realities: In Government and Politics--, in Economy and Business--, in Society--, and in World View. London: Mandarin, 1989.
Lua MLA (9ú heag.)Drucker, Peter Ferdinand. The New Realities: In Government and Politics--, in Economy and Business--, in Society--, and in World View. Mandarin, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.