1. Baubock, R., B. Bernard Perching, and W. Sievers. 2007. Citizenship policies in the new Europe, 220. Amsterdam: Amsterdam University Press.
2. Bosniak, L. 2006. The Citizen and the Alien: Dilemmas of Contemporary Membership, 18–19. Princeton: Princeton University Press.
3. Cavers, D. 1971–1972. Habitual residence: A useful concept?. The American University Law Review 12: 476.
4. Crock, M., and L. Berg. 2011. Immigration refugees and forced migration law, policy and practice in Australia, 17–20. Leichhardt: The Federation Press.
5. Dirkis, M. 2013. Nowhere man sitting in his nowhere land: the continuing saga of cross border arbitrage. Revenue Law Journal 21 (1): 5, 179.