Herrero de Haro, Alfredo. «The acquisition of Spanish pronunciation by Welsh learners: transfer from a regional variety of English into SpanishThe acquisition of Spanish pronunciation by Welsh learners: transfer from a regional variety of English into Spanish». Círculo de Lingüística Aplicada a la Comunicación, vol. 65, vol. 65, 2016, pp. 169-98, doi: https://doi.org/10.5209/rev_CLAC.2016.v65.51985.