Cita APA

Drucker, P. F. (1967). The effective executive. New York: Harper and Row.

Chicago Style Citation

Drucker, Peter F. The Effective Executive. New York: Harper and Row, 1967.

Cita MLA

Drucker, Peter F. The Effective Executive. New York: Harper and Row, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.