Wang, Y. V. (2011). Phonetic learning should be so (音标应该这样学). ISBN: 978-7-313-07120-0. October 2011. Shanghai, China: Shanghai Jiaotong University Press.
Wang, Y. V. (2011). Phonetic learning should be so (音标应该这样学). ISBN: 978-7-313-07120-0. October 2011. Shanghai, China: Shanghai Jiaotong University Press.