Hànyǔ fāngyán gàiyào (An introduction to Chinese dialects). Beijing: Wénzì gǎigé chūbǎnshè. (袁家驊.
Chinese dialects guide, titled Hànyǔ fāngyán gàiyào. Published in Beijing by Wénzì gǎigé chūbànshè. Written by Yuán Jiachē.