APA引文

(1990). Ecosystem management in developing countries. Nairobi, Kenya: United Nations Environment Programme.

Trích dẫn kiểu Chicago

Ecosystem Management in Developing Countries. Nairobi, Kenya: United Nations Environment Programme, 1990.

MLA引文

Ecosystem Management in Developing Countries. Nairobi, Kenya: United Nations Environment Programme, 1990.

警告：这些引文格式不一定是100％准确.