APA (7th ed.) Zitazioa
Maas, W. (2013). Democratic citizenship and the free movement of people. Martinus Nijhoff Publishers.
Chicago Style (17th ed.) Zitazioa
Maas, Willem. Democratic Citizenship and the Free Movement of People. Leiden [Netherlands]: Martinus Nijhoff Publishers, 2013.
MLA (9th ed.) Zitazioa
Maas, Willem. Democratic Citizenship and the Free Movement of People. Martinus Nijhoff Publishers, 2013.
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