DRUCKER, P. F. (1990). The new realities: In government and politics...in economy and business...in society...and in world.. Mandarin Paperback.
芝加哥风格引文DRUCKER, Peter F. The New Realities: In Government and Politics...in Economy and Business...in Society...and in World.. London: Mandarin Paperback, 1990.
MLA引文DRUCKER, Peter F. The New Realities: In Government and Politics...in Economy and Business...in Society...and in World.. Mandarin Paperback, 1990.
警告：这些引文格式不一定是100％准确.