Carrera, S. (2009). In search of the perfect citizen?: The intersection between integration, immigration, and nationality in the EU. Martinus Nijhoff Publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Carrera, Sergio. In Search of the Perfect Citizen?: The Intersection Between Integration, Immigration, and Nationality in the EU. Leiden ; Boston: Martinus Nijhoff Publishers, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Carrera, Sergio. In Search of the Perfect Citizen?: The Intersection Between Integration, Immigration, and Nationality in the EU. Martinus Nijhoff Publishers, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.