APA引文

Drucker, P. (1982). Towards the next economics. Allied Pub.

芝加哥风格引文

Drucker, Peter. Towards the Next Economics. New Delhi: Allied Pub, 1982.

MLA引文

Drucker, Peter. Towards the Next Economics. Allied Pub, 1982.

警告：这些引文格式不一定是100％准确.