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}
}