Higgins, R. (2009). Themes and theories: Selected essays, speeches, and writings in international law. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHiggins, Rosalyn. Themes and Theories: Selected Essays, Speeches, and Writings in International Law. Oxford ; New York: Oxford University Press, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHiggins, Rosalyn. Themes and Theories: Selected Essays, Speeches, and Writings in International Law. Oxford University Press, 2009.
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