Alvarez-Sousa, Antonio. 2015. „The Influence of the Crisis on the Pillars of the Welfare State. The opinion of EU citizens”. Revista de Cercetare si Interventie Sociala 49 (iunie): 5-22. https://www.rcis.ro/journal/article/view/2167-the-influence-of-the-crisis-on-the-pillars-of-the-welfare.