https://www.ifri.org/sites/default/files/atoms/files/tardis_immigration-democratie_janv2023.pdf
http://HTTPS://WWW.NRC.NL/NIEUWS/2018/12/07/DIE-INFO-OORLOG-WAS-DE-BEDOELING-A3059908?FBCLID=IWAR34TL6J7DLM_CVARMMSXYYNR1MUQKQY-NIIZI4TSDFCC-K0V2HQGZMKHE4&UTM_SOURCE=POLITICO.EU&UTM_CAMPAIGN=DACEE2ECC0-EMAIL_CAMPAIGN_2018_12_1
https://www.ipg-journal.de/regionen/europa/artikel/detail/wind-in-ihren-segeln-4625/
http://www.consilium.europa.eu/en/press/press-releases/2017/04/29-euco-brexit-guidelines/