Kirby, James P. 2011. Illustrations of the IPA: Vietnamese (Hanoi Vietnamese). Journal of the International Phonetic Association 41. 381–392. Cambridge University Press.
@article{vie_kirby2011, author = {Kirby, James P.}, journal = {Journal of the International Phonetic Association}, number = {3}, pages = {381–392}, publisher = {Cambridge University Press}, title = {Illustrations of the IPA: Vietnamese (Hanoi Vietnamese)}, volume = {41}, year = {2011} }