Gillespie, A. (1997). International environmental law, policy, and ethics. Oxford University Press.
Chicago Style (17. basım) AtıfGillespie, Alexander. International Environmental Law, Policy, and Ethics. Oxford: Oxford University Press, 1997.
MLA (9th ed.) AtıfGillespie, Alexander. International Environmental Law, Policy, and Ethics. Oxford University Press, 1997.
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