Carbonell, Joan F. and Llisterri, Joaquim. 1992. Illustrations of the IPA: Catalan. Journal of the International Phonetic Association 22. 53–56. Cambridge University Press.
@article{cat_carbonell1992, author = {Carbonell, Joan F. and Llisterri, Joaquim}, journal = {Journal of the International Phonetic Association}, number = {1–2}, pages = {53–56}, publisher = {Cambridge University Press}, title = {Illustrations of the IPA: Catalan}, volume = {22}, year = {1992} }