Viruela, Rafael. „Mobility Strategies of Eastern European Immigrants in Spain during the Great Recession”. Revista de Cercetare si Interventie Sociala 50 (septembrie 30, 2015): 5–21. Data accesării noiembrie 6, 2026. https://www.rcis.ro/journal/article/view/2189-mobility-strategies-of-eastern-european-immigrants-in.