Cita APA

Drucker, P. F. (1965). Landmarks of tomorrow. New York: Harper & Row Publishers.

Chicago Style Citation

Drucker, Peter Ferdinand. Landmarks of Tomorrow. New York: Harper & Row Publishers, 1965.

Cita MLA

Drucker, Peter Ferdinand. Landmarks of Tomorrow. New York: Harper & Row Publishers, 1965.

Atenció: Aquestes cites poden no estar 100% correctes.