Drucker, P. F. (1989). The new realities: In government and politics--, in economy and business--, in society--, and in world view. Mandarin.
Citazione stile Chigago Style (17a edizione)Drucker, Peter Ferdinand. The New Realities: In Government and Politics--, in Economy and Business--, in Society--, and in World View. London: Mandarin, 1989.
Citatione MLA (9a ed.)Drucker, Peter Ferdinand. The New Realities: In Government and Politics--, in Economy and Business--, in Society--, and in World View. Mandarin, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.