Endres, A. (2011). Environmental economics (Rev. & extended English ed.). Cambridge University Press.
Chicago Style aipamenaEndres, Alfred. Environmental Economics. Rev. & extended English ed. New York: Cambridge University Press, 2011.
MLA aipamenaEndres, Alfred. Environmental Economics. Rev. & extended English ed. Cambridge University Press, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.