Drucker, P. F. (1995). Managing in a time of great change. Butterworth-Heinemann.
芝加哥风格引文Drucker, Peter Ferdinand. Managing in a Time of Great Change. Oxford: Butterworth-Heinemann, 1995.
MLA引文Drucker, Peter Ferdinand. Managing in a Time of Great Change. Butterworth-Heinemann, 1995.
警告：这些引文格式不一定是100％准确.