Drucker, P. F. (1974). Management: Tasks, responsibilities, practices. Heinemann.
シカゴスタイル引用形Drucker, Peter F. Management: Tasks, Responsibilities, Practices. London: Heinemann, 1974.
MLA引用形式Drucker, Peter F. Management: Tasks, Responsibilities, Practices. Heinemann, 1974.
警告: この引用は必ずしも正確ではありません.