Drucker, P. F. (2007). People and Performance. Oxford: Butterwoth Heinemann.
Cita Chicago (17th ed.)Drucker, Peter F. People and Performance. New York: Oxford: Butterwoth Heinemann, 2007.
Cita MLA (9th ed.)Drucker, Peter F. People and Performance. Oxford: Butterwoth Heinemann, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.