Drucker, P. F. (1992). Managing for the future: The 1990s and beyond (1st. ed.). Truman Talley.
Cita Chicago Style (17a ed.)Drucker, Peter Ferdinand. Managing for the Future: The 1990s and Beyond. 1st. ed. New York: Truman Talley, 1992.
Cita MLA (8a ed.)Drucker, Peter Ferdinand. Managing for the Future: The 1990s and Beyond. 1st. ed. Truman Talley, 1992.
Precaución: Estas citas no son 100% exactas.