APA引文

Drucker, P. F. (2004). The new realities. Elsevier.

Chicago Edition Citation

Drucker, Peter F. The New Realities. Oxford: Elsevier, 2004.

MLA引文

Drucker, Peter F. The New Realities. Elsevier, 2004.

警告：這些引文格式不一定是100％准確.