Drucker, P. F. (1989). The new realities: In government and politics--, in economy and business--, in society--, and in world view. Mandarin.
Chicagoスタイル(17版)引用形式Drucker, Peter Ferdinand. The New Realities: In Government and Politics--, in Economy and Business--, in Society--, and in World View. London: Mandarin, 1989.
MLA(9版)引用形式Drucker, Peter Ferdinand. The New Realities: In Government and Politics--, in Economy and Business--, in Society--, and in World View. Mandarin, 1989.
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