Hewson, J. . (1989) «Review of Bates, Bretherton and Snyder, From First Words to Grammar: Individual Differences and Dissociable Mechanisms; Benson, Cummings and Greaves, Linguistics in a Systemic Perspective», Linguistica Atlantica, 11, pp. 135–143. Disponible en: https://journals.lib.unb.ca/index.php/la/article/view/32384 (Accedido: 19 mayo 2024).