Martínez-Celdrán, Eugenio and Fernández-Planas, Ana Ma. 2003. Illustrations of the IPA: Castilian Spanish. Journal of the International Phonetic Association 33. 255–259. Cambridge University Press.
@article{spa_martinez-celdra2003,
author = {Martínez-Celdrán, Eugenio and Fernández-Planas, Ana Ma.},
journal = {Journal of the International Phonetic Association},
number = {2},
pages = {255–259},
publisher = {Cambridge University Press},
title = {Illustrations of the IPA: Castilian Spanish},
volume = {33},
year = {2003}
}