Eugenio Martínez-Celdrán, Ana María Fernández-Planas, Josefina Carrera-Sabaté. Castilian Spanish. „Journal of the International Phonetic Association”. 33, s. 257, 2003. DOI: 10.1017/S0025100303001373. (ang.).
doi.org
Eugenio Martínez-Celdrán, Ana María Fernández-Planas, Josefina Carrera-Sabaté. Castilian Spanish. „Journal of the International Phonetic Association”. 33, s. 257, 2003. DOI: 10.1017/S0025100303001373. (ang.).
Jörg Peters. The dialect of Hasselt. „Journal of the International Phonetic Association”. 36, s. 117, 2006. DOI: 10.1017/S0025100306002428. (ang.).
Jo Verhoeven. The Belgian Limburg dialect of Hamont. „Journal of the International Phonetic Association”. 37 (2), s. 219, 2007. DOI: 10.1017/S0025100307002940. (ang.).