Hussen, A. M. (2000). Principles of environmental economics: Economics, ecology and public policy. Routledge.
Chicago-referens (17:e uppl.)Hussen, Ahmed M. Principles of Environmental Economics: Economics, Ecology and Public Policy. London: Routledge, 2000.
MLA-referens (9:e uppl.)Hussen, Ahmed M. Principles of Environmental Economics: Economics, Ecology and Public Policy. Routledge, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.