Cita APA (7th ed.)

Drucker, P. F. (1974). Management: Tasks responsibilities practices. Harper & row.

Cita Chicago (17th ed.)

Drucker, Peter F. Management: Tasks Responsibilities Practices. New York: Harper & row, 1974.

Cita MLA (9th ed.)

Drucker, Peter F. Management: Tasks Responsibilities Practices. Harper & row, 1974.