APA引文

Hussen, A. M. (2000). Principles of environmental economics: Economics, ecology and public policy. London: Routledge.

Trích dẫn kiểu Chicago

Hussen, Ahmed M. Principles of Environmental Economics: Economics, Ecology and Public Policy. London: Routledge, 2000.

MLA引文

Hussen, Ahmed M. Principles of Environmental Economics: Economics, Ecology and Public Policy. London: Routledge, 2000.

警告：这些引文格式不一定是100％准确.