Zee, Eric. 1991. Illustrations of the IPA: Chinese (Hong Kong Cantonese). Journal of the International Phonetic Association 21. 46–48. Cambridge University Press.
@article{yue_zee1991, author = {Zee, Eric}, journal = {Journal of the International Phonetic Association}, number = {1}, pages = {46–48}, publisher = {Cambridge University Press}, title = {Illustrations of the IPA: Chinese (Hong Kong Cantonese)}, volume = {21}, year = {1991} }