Boyle, A. (1999). International law and sustainable development: Past achievements and future challenges. Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoBoyle, Alan. International Law and Sustainable Development: Past Achievements and Future Challenges. Oxford: Oxford University Press, 1999.
Dyfyniad MLABoyle, Alan. International Law and Sustainable Development: Past Achievements and Future Challenges. Oxford: Oxford University Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.