Polo-López, R., K. Salaberria, M. S. Cruz-Sáez, and E. Echeburua. “Outcome of Cognitive-Behavioral Therapy for Relatives of People With Severe Mental Disorders”. Psicothema, vol. 28, no. Número 3, Dec. 2016, pp. 227-34, https://reunido.uniovi.es/index.php/PST/article/view/11283.