Dirk Gebhardt, “When the State Takes over: Civic Integration Programmes and the Role of Cities in Immigrant Integration”, Journal of Ethnic and Migration Studies 42, no. 5 (2016): 742-58。
Rinus Penninx, “Decentralizing Integration Policies: Managing Migration in Cities, Regions and Localities” (November 2009), http://integratingcities2012.eu/documents/(2009%20-%20Penninx)%20Decentralising%20integration%20policies.pdf