Sievers, W., Bauböck, R., & Perchinig, B. (2009). Citizenship Policies in the New Europe: Expanded and Updated Edition. Amsterdam University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSievers, Wiebke, Rainer Bauböck, और Bernhard Perchinig. Citizenship Policies in the New Europe: Expanded and Updated Edition. Amsterdam University Press, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSievers, Wiebke, et al. Citizenship Policies in the New Europe: Expanded and Updated Edition. Amsterdam University Press, 2009.
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