Bulgarelli, D. și Molina, P. (2016) „Early Childcare, Maternal Education and Family Origins: Differences in Cognitive and Linguistic Outcomes throughout Childhood”, Revista de Cercetare si Interventie Sociala, 52, pp. 5–25. Disponibil la: https://www.rcis.ro/journal/article/view/2252-early-childcare-maternal-education-and-family-origins (Data accesării: 6 noiembrie 2026).