APA Citation

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

Trích dẫn kiểu Chicago

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

MLA Citation

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

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.