Barbosa, Plínio A. and Albano, Eleonora C. 2004. Illustrations of the IPA: Brazilian Portuguese. Journal of the International Phonetic Association 34. 227–232. Cambridge University Press.
@article{por_barbosa2004, author = {Barbosa, Plínio A. and Albano, Eleonora C.}, journal = {Journal of the International Phonetic Association}, number = {2}, pages = {227–232}, publisher = {Cambridge University Press}, title = {Illustrations of the IPA: Brazilian Portuguese}, volume = {34}, year = {2004} }