Sands, P. (2003). Principles of international environmental law (Second edition.). Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSands, Philippe. Principles of International Environmental Law. Second edition. Cambridge ; New York: Cambridge University Press, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSands, Philippe. Principles of International Environmental Law. Second edition. Cambridge University Press, 2003.
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