Drucker, P. F. (1992). Managing for the future: The 1990s and beyond. Plume.
芝加哥风格引文Drucker, Peter Ferdinand. Managing for the Future: The 1990s and Beyond. New York: Plume, 1992.
MLA引文Drucker, Peter Ferdinand. Managing for the Future: The 1990s and Beyond. Plume, 1992.
警告：这些引文格式不一定是100％准确.