de Sadeleer, N. (2002). Environmental principles: From political slogans to legal rules. Oxford.
Chicago Style citaatde Sadeleer, Nicolas. Environmental Principles: From Political Slogans to Legal Rules. New York: Oxford, 2002.
MLA citatiede Sadeleer, Nicolas. Environmental Principles: From Political Slogans to Legal Rules. Oxford, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.