Drucker, P. F. (2017). The Theory of the Business. Harvard Business Review Press.
芝加哥风格引文Drucker, Peter F. The Theory of the Business. Boston, Massachesutts: Harvard Business Review Press, 2017.
MLA引文Drucker, Peter F. The Theory of the Business. Harvard Business Review Press, 2017.
警告：这些引文格式不一定是100％准确.