Jassem, Wiktor. 2003. Illustrations of the IPA: Polish. Journal of the International Phonetic Association 33. 103–107. Cambridge University Press.
@article{pol_jassem2003, author = {Jassem, Wiktor}, journal = {Journal of the International Phonetic Association}, number = {1}, pages = {103–107}, publisher = {Cambridge University Press}, title = {Illustrations of the IPA: Polish}, volume = {33}, year = {2003} }