Ruhs, M. (2017). Free movement in the European Union: National institutions vs common policies? Wiley.
芝加哥风格引文Ruhs, M. Free Movement in the European Union: National Institutions Vs Common Policies? Wiley, 2017.
MLA引文Ruhs, M. Free Movement in the European Union: National Institutions Vs Common Policies? Wiley, 2017.
警告：这些引文格式不一定是100％准确.