Drucker, P. F. (2003). The practice of management. Butterwoth-Heinemann.
Chicagoスタイル(17版)引用形式Drucker, Peter F. The Practice of Management. London: Butterwoth-Heinemann, 2003.
MLA(8版)引用形式Drucker, Peter F. The Practice of Management. Butterwoth-Heinemann, 2003.
警告: この引用は必ずしも正確ではありません.