Magan-Wals, José-Antonio. «Ithaka S+R US Library Survey 2013». Anuario ThinkEPI 9 (mayo 3, 2015): 103–105. Accedido mayo 7, 2026. https://thinkepi.scimagoepi.com/index.php/ThinkEPI/article/view/thinkepi.2015.21.