Drucker, P. F. (1974). Management: Tasks responsibilities practices. Harper & row.
芝加哥风格引文Drucker, Peter F. Management: Tasks Responsibilities Practices. New York: Harper & row, 1974.
MLA引文Drucker, Peter F. Management: Tasks Responsibilities Practices. Harper & row, 1974.
警告：这些引文格式不一定是100％准确.