Não informado. (1963). European community. European Community Information Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. European Community. Washington: European Community Information Service, 1963.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. European Community. European Community Information Service, 1963.
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