Oers, R. v. (2014). Deserving citizenship: Citizenship tests in Germany, the Netherlands and the United Kingdom. Martinus Nijhoff Publishers.
Citazione stile Chigago Style (17a edizione)Oers, Ricky van. Deserving Citizenship: Citizenship Tests in Germany, the Netherlands and the United Kingdom. Leiden, Netherlands: Martinus Nijhoff Publishers, 2014.
Citatione MLA (9a ed.)Oers, Ricky van. Deserving Citizenship: Citizenship Tests in Germany, the Netherlands and the United Kingdom. Martinus Nijhoff Publishers, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.