Oers, R. v. (2014). Deserving citizenship: Citizenship tests in Germany, the Netherlands and the United Kingdom. Martinus Nijhoff Publishers.
芝加哥风格引文Oers, Ricky van. Deserving Citizenship: Citizenship Tests in Germany, the Netherlands and the United Kingdom. Leiden, Netherlands: Martinus Nijhoff Publishers, 2014.
MLA引文Oers, Ricky van. Deserving Citizenship: Citizenship Tests in Germany, the Netherlands and the United Kingdom. Martinus Nijhoff Publishers, 2014.
警告：这些引文格式不一定是100％准确.