Drucker, P. F. (1955). The practice of management. London: Pan Books.
シカゴスタイル引用形Drucker, Peter Ferdinand. The Practice of Management. London: Pan Books, 1955.
MLA引用形式Drucker, Peter Ferdinand. The Practice of Management. London: Pan Books, 1955.
警告: この引用は必ずしも正確ではありません.