Drucker, P. F. (1993). Post-capitalist society (First edition.). HarperBusiness.
芝加哥风格引文Drucker, Peter F. Post-capitalist Society. First edition. New York, NY: HarperBusiness, 1993.
MLA引文Drucker, Peter F. Post-capitalist Society. First edition. HarperBusiness, 1993.
警告：这些引文格式不一定是100％准确.