Cita APA

Dixon, J. A. 1., & Sherman, P. B. (1990). Economics of protected areas: A new look at benefits and costs. Washington, D.C.: Island Press.

Citación estilo Chicago

Dixon, John Alexander 1946-, y Paul B. Sherman. Economics of Protected Areas: A New Look At Benefits and Costs. Washington, D.C.: Island Press, 1990.

Cita MLA

Dixon, John Alexander 1946-, y Paul B. Sherman. Economics of Protected Areas: A New Look At Benefits and Costs. Washington, D.C.: Island Press, 1990.