Drucker, P. F. (1995). Managing in a time of great change. Butterworth.
シカゴスタイル引用形Drucker, Peter F. Managing in a Time of Great Change. London: Butterworth, 1995.
MLA引用形式Drucker, Peter F. Managing in a Time of Great Change. Butterworth, 1995.
警告: この引用は必ずしも正確ではありません.