Sandmo, A. (2000). Public economics of the environment. Oxford University Press.
Chicago Style aipamenaSandmo, Agnar. Public Economics of the Environment. Oxford: Oxford University Press, 2000.
MLA aipamenaSandmo, Agnar. Public Economics of the Environment. Oxford University Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.