Asu, Eva Liina and Teras, Pire. 2009. Illustrations of the IPA: Estonian. Journal of the International Phonetic Association 39. 367–372. Cambridge University Press.
@article{est_asu2009, author = {Asu, Eva Liina and Teras, Pire}, journal = {Journal of the International Phonetic Association}, number = {3}, pages = {367–372}, publisher = {Cambridge University Press}, title = {Illustrations of the IPA: Estonian}, volume = {39}, year = {2009} }