APA引文
Drucker, P. F. (1982). The effective executive. Heinemann.
Chicago Style (17th ed.) Citation
Drucker, Peter F. The Effective Executive. London: Heinemann, 1982.
MLA引文
Drucker, Peter F. The Effective Executive. Heinemann, 1982.
警告:這些引文格式不一定是100%准確.