Sadeleer, N. d. (2020). Environmental principles: From political slogans to legal rules (2e.). Oxford University Press. https://doi.org/10.1093/oso/9780198844358.001.0001
Lua i Stíl Chicago (17ú heag.)Sadeleer, Nicolas de. Environmental Principles: From Political Slogans to Legal Rules. 2e. New York: Oxford University Press, 2020. https://doi.org/10.1093/oso/9780198844358.001.0001.
Lua MLA (9ú heag.)Sadeleer, Nicolas de. Environmental Principles: From Political Slogans to Legal Rules. 2e. Oxford University Press, 2020. https://doi.org/10.1093/oso/9780198844358.001.0001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.