Drucker, P. F. (1989). The new realities: In government and politics--, in economy and business--, in society--, and in world view. Mandarin.
芝加哥风格引文Drucker, Peter Ferdinand. The New Realities: In Government and Politics--, in Economy and Business--, in Society--, and in World View. London: Mandarin, 1989.
MLA引文Drucker, Peter Ferdinand. The New Realities: In Government and Politics--, in Economy and Business--, in Society--, and in World View. Mandarin, 1989.
警告：这些引文格式不一定是100％准确.