Luo, Siyu; Gadd, David; Broad, Rose (May 2023). "The criminalisation and exploitation of irregular Chinese migrant workers in the United Kingdom". European Journal of Criminology. 20 (3): 1016–1036. doi:10.1177/14773708221132889. S2CID255079151.
Mei, Tsu-lin (1970), "Tones and prosody in Middle Chinese and the origin of the rising tone", Harvard Journal of Asiatic Studies, 30: 86–110, JSTOR2718766
Bodman, Nicholas C. (1985). Acson, Veneeta; Leed, Richard L. (eds.). The Reflexes of Initial Nasals in Proto-Southern Min-Hingua. Oceanic Linguistics Special Publications. Vol. 20. University of Hawaii Press. pp. 2–20. ISBN978-0-8248-0992-8. JSTOR20006706.
Luo, Siyu; Gadd, David; Broad, Rose (May 2023). "The criminalisation and exploitation of irregular Chinese migrant workers in the United Kingdom". European Journal of Criminology. 20 (3): 1016–1036. doi:10.1177/14773708221132889. S2CID255079151.