APA引文

(1995). Natural resource economics. CanTho (Vietnam): CanTho University.

Trích dẫn kiểu Chicago

Natural Resource Economics. CanTho (Vietnam): CanTho University, 1995.

MLA引文

Natural Resource Economics. CanTho (Vietnam): CanTho University, 1995.

警告：这些引文格式不一定是100％准确.