APA-viite (7. p.)

Sands, P., Peel, J., Fabra Aguilar, A., & MacKenzie, R. (2018). Principles of international environmental law (Fourth edition.). Cambridge University Press.

Chicago-viite (17. p.)

Sands, Philippe, Jacqueline Peel, Adriana Fabra Aguilar, ja Ruth MacKenzie. Principles of International Environmental Law. Fourth edition. Cambridge, United Kingdom ; New York, NY, USA: Cambridge University Press, 2018.

MLA-viite (8. p.)

Sands, Philippe, et al. Principles of International Environmental Law. Fourth edition. Cambridge University Press, 2018.

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