APA引文

Denton, P. (1996). world wide fund for nature. Orient Longman.

芝加哥风格引文

Denton, Peter. World Wide Fund for Nature. Hyderabad: Orient Longman, 1996.

MLA引文

Denton, Peter. World Wide Fund for Nature. Orient Longman, 1996.

警告：这些引文格式不一定是100％准确.