Goikolea, J. M., G. Miralles, A. Bulbena Cabré, E. Vieta, and A. Bulbena. 2003. “Spanish Adaptation of the Seasonal Pattern Assessment Questionnaire (SPAQ) in the Adult and Children-Adolescent Versions”. Actas Españolas De Psiquiatría 31 (4):192-98. https://actaspsiquiatria.es/index.php/actas/article/view/1160.