Verwey, D. R. (2004). The European Community, the European Union and the international law of treaties: A comparative legal analysis of the Community and Union's external treaty-making practice. T.M.C. Asser Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVerwey, Delano R. The European Community, the European Union and the International Law of Treaties: A Comparative Legal Analysis of the Community and Union's External Treaty-making Practice. The Hague: T.M.C. Asser Press, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVerwey, Delano R. The European Community, the European Union and the International Law of Treaties: A Comparative Legal Analysis of the Community and Union's External Treaty-making Practice. T.M.C. Asser Press, 2004.
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