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