de Sadeleer, N. (2002). Environmental principles: From political slogans to legal rules. Oxford.
Čikaški stil citiranjade Sadeleer, Nicolas. Environmental Principles: From Political Slogans to Legal Rules. New York: Oxford, 2002.
MLA način citiranjade Sadeleer, Nicolas. Environmental Principles: From Political Slogans to Legal Rules. Oxford, 2002.
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