APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Guild, E., Groenendijk, C. A., & Carrera, S. (2009). Illiberal liberal states: Immigration, citizenship, and integration in the EU. Ashgate Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Elspeth Guild, C. A. Groenendijk, और Sergio Carrera. Illiberal Liberal States: Immigration, Citizenship, and Integration in the EU. Farnham, Surrey ; Burlington, VT: Ashgate Pub., 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Illiberal Liberal States: Immigration, Citizenship, and Integration in the EU. Ashgate Pub., 2009.
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