Sagoff, M. (1988). The economy of the earth: Philosophy, law, and the environment. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Sagoff, Mark. The Economy of the Earth: Philosophy, Law, and the Environment. Cambridge: Cambridge University Press, 1988.
Lua MLA (9ú heag.)Sagoff, Mark. The Economy of the Earth: Philosophy, Law, and the Environment. Cambridge University Press, 1988.
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