van den Brink, Martijn Ethics, Law and Politics, MPI for the Study of Religious and Ethnic Diversity, Max Planck Society;
https://www.cambridge.org/core/books/internal-market-and-the-future-of-european-integration/problem-with-market-citizenship-and-the-beauty-of-free-movement/7965CCF7CEB006C83FF6E73E3E45008B (Any fulltext)
van den Brink, M. (2019). The problem with market citizenship and the beauty of free movement. In F. Amtenbrink, G. Davies, D. Kochenov, & J. Lindeboom (Eds.), The Internal Market and the Future of European Integration. Essays in Honour of Laurence W. Gormley (pp. 246-258). Cambridge: Cambridge University Press. doi:10.1017/9781108565417.018.