Boada, Humbert, y Dolors Girbau. «Accurate Referential Communication and its Relation with Private and Social Speech in a Naturalistic Context». The Spanish Journal of Psychology 7, no. 2 (octubre 22, 2004): 81–92. Accedido julio 22, 2026. https://revistas.ucm.es/index.php/SJOP/article/view/SJOP0404220081A.