Drucker, P. F. (1992). Managing for the future. Butterworth/Heinemann.
芝加哥风格引文Drucker, Peter F. Managing for the Future. Oxford: Butterworth/Heinemann, 1992.
MLA引文Drucker, Peter F. Managing for the Future. Butterworth/Heinemann, 1992.
警告：这些引文格式不一定是100％准确.