Drucker, P. F. (1974). Management: Tasks responsibilities practices. Harper & row.
Cita Chicago Style (17a ed.)Drucker, Peter F. Management: Tasks Responsibilities Practices. New York: Harper & row, 1974.
Cita MLA (9a ed.)Drucker, Peter F. Management: Tasks Responsibilities Practices. Harper & row, 1974.
Precaución: Estas citas no son 100% exactas.