Sánchez-Álvarez, Nicolás, Natalio Extremera Pacheco, Lourdes Rey, Edward C. Chang, and Olivia D. Chang. 2020. “Frequency of Suicidal Ideation Inventory: Psychometric Properties of the Spanish Version”. Psicothema 32 (Número 2):253-60. https://reunido.uniovi.es/index.php/PST/article/view/17023.