Olson, Kenneth S. 2004. Illustrations of the IPA: Mono. Journal of the International Phonetic Association 34. 233–238. Cambridge University Press.
@article{mnh_olson2004, author = {Olson, Kenneth S.}, journal = {Journal of the International Phonetic Association}, number = {2}, pages = {233–238}, publisher = {Cambridge University Press}, title = {Illustrations of the IPA: Mono}, volume = {34}, year = {2004} }