Winpenny, J. T. (1991). Values for the environment: A guide to economic appraisal. Overseas Development Inst..
Citación estilo ChicagoWinpenny, James T. Values for the Environment: A Guide to Economic Appraisal. London: Overseas Development Inst., 1991.
Cita MLAWinpenny, James T. Values for the Environment: A Guide to Economic Appraisal. Overseas Development Inst., 1991.
Warning: These citations may not always be 100% accurate.