Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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