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.
Atenció: Aquestes cites poden no estar 100% correctes.