- PublishedGuild, E. (Author), Carrera, S. (Author), & Luk, C. (Author). (2017). The integration of immigrants and legal paths to mobility to the EU: Some surprising (and encouraging) facts. Web publication/site, Brussels: CEPS. Retrieved from https://www.ceps.eu/system/files/LegalMobilityPaths.pdf
- PublishedLuk, C. (2017). Diaspora status and citizenship rights: A comparative-legal analysis of the quasi-citizenship schemes of China, India and Suriname. Oisterwijk: Wolf Legal Publishers (WLP).
- PublishedCarrera, S. (Author), Guild, E. (Author), & Luk, C. (Author). (2016). What does Brexit mean for the EU’s area of freedom, security and justice?. Web publication/site, Brussels: CEPS. Retrieved from https://www.ceps.eu/system/files/What%20does%20BREXIT%20mean%20for%20the%20EU.pdf