Drucker, P. F. (1992). Managing for the future. Butterworth-Heinemann.
Cita Chicago Style (17a ed.)Drucker, Peter F. Managing for the Future. Oxford: Butterworth-Heinemann, 1992.
Cita MLA (9a ed.)Drucker, Peter F. Managing for the Future. Butterworth-Heinemann, 1992.
Precaución: Estas citas no son 100% exactas.