Pearce, Mary. 2011. Illustrations of the IPA: Kera. Journal of the International Phonetic Association 41. 249–258. Cambridge University Press.
@article{ker_pearce2011, author = {Pearce, Mary}, journal = {Journal of the International Phonetic Association}, number = {2}, pages = {249–258}, publisher = {Cambridge University Press}, title = {Illustrations of the IPA: Kera}, volume = {41}, year = {2011} }