Drucker, P. F. (1993). Post-capitalist society. HarperBusiness.
Cita Chicago Style (17a ed.)Drucker, Peter F. Post-capitalist Society. New York: HarperBusiness, 1993.
Cita MLA (8a ed.)Drucker, Peter F. Post-capitalist Society. HarperBusiness, 1993.
Precaución: Estas citas no son 100% exactas.