APA引文

Drucker, P. F. (1967). The effective executive. Heinemann.

Chicago Style (17th ed.) Citation

Drucker, Peter F. The Effective Executive. London: Heinemann, 1967.

MLA引文

Drucker, Peter F. The Effective Executive. Heinemann, 1967.

警告：這些引文格式不一定是100％准確.