Lee, Wai-Sum & Eric Zee. 2009. Illustrations of the IPA: Hakka Chinese. Journal of the International Phonetic Association 39(1). 107–111. Cambridge University Press.
@article{hak_lee2009,
author = {Lee, Wai-Sum and Zee, Eric},
journal = {Journal of the International Phonetic Association},
number = {1},
pages = {107–111},
publisher = {Cambridge University Press},
title = {Illustrations of the IPA: Hakka Chinese},
volume = {39},
year = {2009}
}