Sadeleer, N. d., & Nicolas de Sadeleer; translated by Susan Leubusher. (2002). Environmental principles: From political slogans to legal rules. Oxford,New York: Oxford University Press.
Chicago-tyylinen lähdeviittausSadeleer, Nicolas de, ja Nicolas de Sadeleer; translated by Susan Leubusher. Environmental Principles: From Political Slogans to Legal Rules. Oxford,New York: Oxford University Press, 2002.
MLA-viiteSadeleer, Nicolas de, ja Nicolas de Sadeleer; translated by Susan Leubusher. Environmental Principles: From Political Slogans to Legal Rules. Oxford,New York: Oxford University Press, 2002.
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