Fernández-Planas & Carrera-Sabaté (2003:255頁) Carbonell, Joan F.; Llisterri, Joaquim, Catalan, Journal of the International Phonetic Association, 1992, 22 (1-2): 53–56
Arlington: 34. 2007. hdl:10106/577 . Carbonell, Joan F.; Llisterri, Joaquim. Catalan. Journal of the International Phonetic Association. 1992-06, 22 (1-2):
doi:10.1017/S0025100304001756 Carbonell, Joan F.; Llisterri, Joaquim, Catalan, Journal of the International Phonetic Association, 1992, 22 (1-2): 53–56