[19] World Bank, Human Development Sector Unit, Europe and Central Asia Region: Europe and Central Asia Roma Inclusion: An Economic Opportunity for Bulgaria, Czech Republic, Romania and Serbia (beleidsnota, 30 september 2010).
[19] Weltbank, Human Development Sector Unit, Europe and Central Asia Region: Europe and Central Asia Roma Inclusion: An Economic Opportunity for Bulgaria, Czech Republic, Romania and Serbia Policy Note, (30. September 2010).