APA-viite (7. p.)
Boyle, A. E., & Freestone, D. (1999). International law and sustainable development: Past achievements and future challenges. Oxford University Press.
Chicago-viite (17. p.)
Boyle, Alan E., ja David Freestone. International Law and Sustainable Development: Past Achievements and Future Challenges. Oxford ; New York: Oxford University Press, 1999.
MLA-viite (9. p.)
Boyle, Alan E., ja David Freestone. International Law and Sustainable Development: Past Achievements and Future Challenges. Oxford University Press, 1999.
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