González Insúa, Francisco. «Daniel Brown Y David Fletcher. (2017). The Effects of Psychological and Psychosocial Interventions on Sport Performance: A Meta-Analysis. Sports Medicine». Revista De Psicología, vol. 13, n.º 25, abril de 2018, pp. 105-8, https://erevistas.uca.edu.ar/index.php/RPSI/article/view/1064.