Nelsen. Religion and the Struggle for European Union. Georgetown University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNelsen. Religion and the Struggle for European Union. Georgetown University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNelsen. Religion and the Struggle for European Union. Georgetown University Press.
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