de Sadeleer, N. (2002). Environmental principles: From political slogans to legal rules. Oxford.
シカゴスタイル引用形de Sadeleer, Nicolas. Environmental Principles: From Political Slogans to Legal Rules. New York: Oxford, 2002.
MLA引用形式de Sadeleer, Nicolas. Environmental Principles: From Political Slogans to Legal Rules. Oxford, 2002.
警告: この引用は必ずしも正確ではありません.