Drucker, P. F. (1999). Managing for result. Butterworth-Heinemann.
Cita Chicago Style (17a ed.)Drucker, Peter F. Managing for Result. Oxford: Butterworth-Heinemann, 1999.
Cita MLA (8a ed.)Drucker, Peter F. Managing for Result. Butterworth-Heinemann, 1999.
Precaución: Estas citas no son 100% exactas.