Urua, Eno-Abasi E. 2004. Illustrations of the IPA: Ibibio. Journal of the International Phonetic Association 34. 105–109. Cambridge University Press.
@article{ibb_urua2004, author = {Urua, Eno-Abasi E.}, journal = {Journal of the International Phonetic Association}, number = {1}, pages = {105–109}, publisher = {Cambridge University Press}, title = {Illustrations of the IPA: Ibibio}, volume = {34}, year = {2004} }